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...

Milltek 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...

APR DTR8868 Direct Replacement Turbocharger for 2018-2024 B9 3.0T

THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The APR DTR8868 is a direct turbocharger replacement for the 3.0T EA839 engine found on the 2018+ Audi S4, S5, and SQ5! This upgrade includes matching software for various vehicles and mods, and...

GFB DV+ for MK8 GTI, Golf R, B9 3.0T & 2.9T

The T9380 is the latest addition to the DV+ range of diverter valves from GFB (Go Fast Bits). It is specifically designed as a complete replacement for the newer generation of Continental brand OEM diverter valves found in late-model VW and Audi...

RacingLine Higher Output Ignition Coils for MQB 1.8T, 2.0T & 2.5T

RacingLine's Higher Output Ignition Coils deliver greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. What do they do? The RacingLine Higher Output Ignition Coils are a direct...

APR Carbon Fiber Engine Cover for Audi B9 & C8 3.0T & 2.9T

The 2.9T and 3.0T EA839 engine shares a beautiful engine cover platform, but only some of the RS models are upgraded with carbon fiber accents mixed with plastic. All other vehicles are left with a rather underwhelming cover. To fix this, we've done away...

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...

Injen SP Cold Air Intake System for B9 S4 & S5

THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The expertly crafted Audi S4/S5 with the V6-3.0L Turbo engine is truly a machine that is a joy to drive. The Injen Technology SP3082 short ram cold air intake system takes your Audi S4/S5 to the next...

034Motorsport 4 Bar MAP Sensors for EA839 2.9T & 3.0T

The 034Motorsport 4 Bar MAP Sensors are designed to replace the factory 3 Bar MAP sensors on the EA839 2.9T/3.0T engine. These sensors are a required upgrade for 034Motorsport Dynamic+ Stage 3 Software. Included are two 034Motorsport 4 Bar MAP Sensors...

IE Polymer Intake System for B9 S4 & S5 3.0T

THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! The IE Polymer Air Intake System for your Audi B9/B9.5 S4 or S5 delivers easy performance through significant airflow gains. Add up to 19 horsepower and 21ft-lbs of torque on tuned engines while...

IE Carbon Fiber Intake System for B9 S4 & S5 3.0T

THIS ITEM CAN NOT BE SHIPPED TO CALIFORNIA CUSTOMERS! IE's carbon fiber intake system flows 37% more than the stock intake & inlet on the factory turbocharger and up to 61% more on hybrid turbo setups. This increase translates to a maximized flow...