Audi A4 B9 (17+)

  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...

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

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

  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...