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...

"There is only one APR." For over 10 years, no one has been able to simulate what APR's ECU Upgrade accomplishes. Our staff of 10 engineers and 30 employees has broken the mold of "performance tuning" by developing new technology that allows for...