Quick view Integrated Engineering IE Catback Exhaust System for B9/B9.5 S4 MSRP: Sale: $1,534.99 Add to Cart Quick view Integrated Engineering IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T MSRP: Sale: $699.99 Add to Cart Quick view Integrated Engineering IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T MSRP: Sale: $2,499.99 Choose Options Quick view Integrated Engineering IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 MSRP: Sale: $2,389.00 Choose Options Quick view Milltek Sport HJS Tuning ECE Downpipes for B9 S4 & S5 MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 MSRP: Sale: $1,643.00 Choose Options Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Integrated Engineering IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T MSRP: Sale: $699.99 Add to Cart Quick view Integrated Engineering IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T MSRP: Sale: $2,499.99 Choose Options Quick view Integrated Engineering IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 MSRP: Sale: $2,389.00 Choose Options Quick view Milltek Sport HJS Tuning ECE Downpipes for B9 S4 & S5 MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 MSRP: Sale: $1,643.00 Choose Options Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Integrated Engineering IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T MSRP: Sale: $2,499.99 Choose Options Quick view Integrated Engineering IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 MSRP: Sale: $2,389.00 Choose Options Quick view Milltek Sport HJS Tuning ECE Downpipes for B9 S4 & S5 MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 MSRP: Sale: $1,643.00 Choose Options Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Integrated Engineering IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 MSRP: Sale: $2,389.00 Choose Options Quick view Milltek Sport HJS Tuning ECE Downpipes for B9 S4 & S5 MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 MSRP: Sale: $1,643.00 Choose Options Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 MSRP: Sale: $2,389.00 Choose Options Quick view Milltek Sport HJS Tuning ECE Downpipes for B9 S4 & S5 MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 MSRP: Sale: $1,643.00 Choose Options Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 MSRP: Sale: $2,389.00 Choose Options Quick view Milltek Sport HJS Tuning ECE Downpipes for B9 S4 & S5 MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 MSRP: Sale: $1,643.00 Choose Options Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 MSRP: Sale: $2,389.00 Choose Options Quick view Milltek Sport HJS Tuning ECE Downpipes for B9 S4 & S5 MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 MSRP: Sale: $1,643.00 Choose Options Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 MSRP: Sale: $2,389.00 Choose Options Quick view Milltek Sport HJS Tuning ECE Downpipes for B9 S4 & S5 MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 MSRP: Sale: $1,643.00 Choose Options Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 MSRP: Sale: $2,389.00 Choose Options Quick view Milltek Sport HJS Tuning ECE Downpipes for B9 S4 & S5 MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 MSRP: Sale: $1,643.00 Choose Options Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 MSRP: Sale: $2,389.00 Choose Options Quick view Milltek Sport HJS Tuning ECE Downpipes for B9 S4 & S5 MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 MSRP: Sale: $1,643.00 Choose Options Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Sport Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 MSRP: Sale: $2,389.00 Choose Options Quick view Milltek Sport HJS Tuning ECE Downpipes for B9 S4 & S5 MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 MSRP: Sale: $1,643.00 Choose Options Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Sport Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Sport Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 MSRP: Sale: $2,389.00 Choose Options Quick view Milltek Sport HJS Tuning ECE Downpipes for B9 S4 & S5 MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 MSRP: Sale: $1,643.00 Choose Options Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Sport Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 MSRP: Sale: $2,389.00 Choose Options Quick view Milltek Sport HJS Tuning ECE Downpipes for B9 S4 & S5 MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 MSRP: Sale: $1,643.00 Choose Options Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Sport HJS Tuning ECE Downpipes for B9 S4 & S5 MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 MSRP: Sale: $1,643.00 Choose Options Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view 034Motorsport 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 MSRP: Sale: $1,643.00 Choose Options Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view IE Catback Exhaust System for B9/B9.5 S4 The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including... MSRP: Sale: $1,534.99 Add to Cart Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view IE Midpipe Upgrade for B9/B9.5 S4 & S5 3.0T Upgrading to IE Midpipes on your Audi B9/B9.5 S4 or S5 is an easy and fast way to add an aggressive exhaust note. Superior engineering and quality craftsmanship will ensure a long-lasting upgrade for your 3.0T that delivers fun, and addicting exhaust... MSRP: Sale: $699.99 Add to Cart Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view IE ProCore Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in-house engineered 6" 400CPSI catalytic converter channels... MSRP: Sale: $2,499.99 Choose Options Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view IE Performance Cast Downpipe for B9/B9.5 S4 & S5 3.0T THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! Engineered as the ultimate downpipe solution for your Audi B9/B9.5 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP... MSRP: Sale: $1,099.99 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Non-Resonated Catback Exhaust for B9 S5 Coupe (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,074.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Resonated Catback Exhaust for B9 S5 Coupe (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S4 or S5 Sportback or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with standard rear differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Non-Resonated Catback Exhaust for B9 S4 & S5 Sportback (Louder) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,075.00 Choose Options Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Resonated Catback Exhaust for B9 S4 & S5 Sportback (Quieter) - Non Sport Diff Models *Fitment Note: Will NOT fit S5 Coupe or models with Sport Rear Differential* Our range of Cat-Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system,... MSRP: Sale: $3,283.00 Choose Options Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view Milltek Downpipe & Hi-Flow Sports Cat for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to... MSRP: Sale: $2,389.00 Choose Options Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view HJS Tuning ECE Downpipes for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require... MSRP: Sale: $4,199.00 Choose Options Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected × OK
Quick view 034Motorsport Stainless Steel Racing Catalyst for B9 S4 & S5 THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The 034Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... MSRP: Sale: $1,643.00 Choose Options 1 2 Next 1 2 Next Compare Selected