APR is pleased to present the ultimate ECU Upgrade for the Audi R8 5.2L FSI V10 engine. After months of long nights and many hours of testing, development and more testing, we are pleased to offer you an ECU recalibration that is second to none. APR's...

APR Mobile APR Mobile is a simple yet powerful tool designed to enhance the APR tuning experience. APR Mobile installs on smart phones, tablets and other devices and provides a wireless connection to the vehicles engine control unit or ECU. Once...