A4/S4/RS4

  PRODUCR DESCRIPTION APR Ignition Coils are designed to be a direct plug-and-play upgrade to factory coils, and provide greater energy output, ens...

  This die cut vinyl design was created in house for use on APR’s fleet of employee and R&D vehicles and is now available to the public. Each s...

The IE supercharger pulley for 3.0T V6 Audi engines is a great mod to extract more power form your supercharger. Capable of up to 492HP on it's ow...

PRODUCT DESCRIPTION The factory Gen 1 supercharger drive pulley is pressed on to the supercharger's input shaft. It's not possible to remove the fa...

PRODUCT DESCRIPTION  The APR Boost Hose System is a comprehensive, direct replacement upgrade, to the factory rubber hoses found in the charge pi...

LEADING FEATURES High-gloss genuine carbon fiber construction Leak-free seamless 1-piece airbox Up to 28HP & 26ft...

IE AUDI 3.0T PRESS-FIT PULLEY REMOVAL TOOL The IE Supercharger Pulley Removal Tool for 3.0T is required for removing the stock pulley. It is near...

LEADING FEATURES IE's Throttle Body Kit has been engineered for existing Dual Pulley Tuned S4, S4, A6, or A7 (non-CREC) 3.0T Supercharged ...

IE "DUAL PULLEY" POWER KIT FOR MANUAL TRANSMISSION Turn your sporty Audi S4 or S5 into an all-out street monster with IE's complete Dual Pulley ra...

IE "DUAL PULLEY" POWER KIT FOR DSG TRANSMISSION Turn your sporty Audi S4 or S5 into an all-out street monster with IE's complete Dual Pulley ratio...

LEADING FEATURES Combine with IEBAVJ1C for dual pulley tune and up to 548HP 188mm overdrive crank pulley upgrade for dual p...

LEADING FEATURES 207mm "dual pulley ratio" crank pulley upgrade Replaces crank pulley and engine damper Increases supercharger RPM by...

3.0T DOWNPIPE FEATURES: Deleting two resonators creates a deep and assertive exhaust note Horsepower gains of 8-12 HP Constructed from 3...

LEADING FEATURES IE's Throttle Body Kit has been engineered for existing Dual Pulley Tuned S4, S4, A6, or A7 (non-CREC) 3.0T Supercharged ...

POWER TESTING IE engineers use an extensive array of testing equipment to maximize and verify the performance of the intake design, i...

LEADING FEATURES Over 30 horsepower gains - with matching Stage 2 Tune 3" minimum size for maximum flow and performance potential Aggres...

KEEP YOUR INTAKE AIR COOL The IE FDS front-mount intercooler kit increases horsepower and eliminates heat soak. Get the most out of your tuned or ...

LEADING INTAKE FEATURES Increased airflow - Get the most out of your upgrades High-flow velocity stack - True performance design Sealed heatshie...

  PRODUCT DESCRIPTION  The APR High Pressure Fuel Pump (HPFP) dramatically increases the maximum volume of fuel the HPFP can deliver. In doing so...

  PRODUCT DESCRIPTION  The APR K04 Turbocharger System is a drop in turbo upgrade that dramatically increases power. With this upgrade and accom...

  PRODUCT DESCRIPTION  The APR Intercooler System is a massive front mounted upgrade that dramatically reduces intake air temperature (IAT), mini...

  PRODUCT DESCRIPTION The APR High Pressure Fuel Pump (HPFP) dramatically increases the maximum volume of fuel the HPFP can deliver.  In doing so, ...

PRODUCT DESCRIPTION The APR CPS Fit Kit is required in order to install the APR CPS System on pre-facelift B8 and C7 Audi models. The Fit Kit is a...

  PRODUCT DESCRIPTION    *Pre-facelift models (up to 2012) require Fit Kit - Please see Fit Kit MS100136 or ES3219342 for a complete installation* ...

  PRODUCT DESCRIPTION  The APR Ultracharger System dramatically increases horsepower and torque and maximizes the power potential of the 3.0 TFSI....

  The APR Boost Tap for the 1.8T and 2.0T EA888 Gen 3 engines is a simple, yet elegant solution for referencing boost pressure and vacuum as is com...