ARM Motorsports Catted Downpipe for B9 S4 & S5 3.0T

THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! HIGHLIGHTS • Increased Power and Torque• Massive 6.5" Design• Faster Turbo Spool • Improved Exhaust Note• Fits ARM and OEM Midpipes• Supports Hybrid...

034Motorsport Res-X Front Resonator Delete for B9/B9.5 S4 & S5 3.0T

The 034Motorsport Res-X Front Resonator Delete for the Audi B9/B9.5 S4/S5 3.0T unleashes a throaty growl under hard acceleration that exudes performance and warns bystanders that this isn’t your average Audi. The new aggressive exhaust note is...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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,...

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,...

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...