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, ensu...

*Please Do Not ship ECU all Tunes are done in shop by our professional team at GRDTuned. Install fee of $75 will be charged after completion of ...

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...

*Please Do Not ship ECU all Tunes are done in shop by our professional team at GRDTuned. Install fee of $75 will be charged after completion of ...

*Please Do Not ship ECU all Tunes are done in shop by our professional team at GRDTuned. Install fee of $75 will be charged after completion of ...

*Please Do Not ship ECU all Tunes are done in shop by our professional team at GRDTuned. Install fee of $75 will be charged after completion of ...

*Please Do Not ship ECU all Tunes are done in shop by our professional team at GRDTuned. Install fee of $75 will be charged after completion of ...

*Please Do Not ship ECU all Tunes are done in shop by our professional team at GRDTuned. Install fee of $75 will be charged after completion of ...

*Please Do Not ship ECU all Tunes are done in shop by our professional team at GRDTuned. Install fee of $75 will be charged after completion of ...

*Please Do Not ship ECU all Tunes are done in shop by our professional team at GRDTuned. Install fee of $75 will be charged after completion of ...

PRODUCT DESCRIPTION  Features: Increase valve train control 71% weight reduction over OEM Golf R retainers 19% weight reduction over OEM Golf R s...

PRODUCT DESCRIPTION  The APR Valve Spring System is a high performance, lightweight upgrade designed to increase valve control and eradicate valve ...

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 accompan...

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

PRODUCT DESCRIPTION Unleash an Aural Symphony CAD Designed Stunning Good Looks +11HP and +11FTLBS of Torque Available with Polished Silver or Di...

PRODUCT DESCRIPTION Presenting the Track Edition family of AWE Tuning S4 Exhausts. For those who want it loud. Gains of 8 Crank HP and 9 Crank TQ ...

PRODUCT DESCRIPTION APR Roll-Control Lowering Springs are designed to improve handling while delivering a stylish visual upgrade to the vehicle.  ...

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-faclift models (up to 2012) require Fit Kit - Please see Fit Kit MS100136 or ES3219342 for a complete installation* P...

APR’s Forged Wheels are manufactured using the latest strengthening and weight savings techniques to provide an attractive solution ready for the ...

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

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

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 comm...

The APR Carbon Fiber Intake System is an attractive high-performance upgrade designed to increase performance by letting the engine breathe more f...

The APR Carbon Fiber Intake System is an attractive high-performance upgrade designed to increase performance by letting the engine breathe more f...