USP Motorsports | Audi B8 S4 3.0T APR Supercharger Pulley Upgrade Version 2.0 Software
This segment demonstrates the APR Supercharger Pulley Upgrade on an Audi S4 B8 with the 3.0T or V6T supercharged motor. We also loaded the new version 2.0 APR programming to the ECU as well; Stage II+ with Testpipes. Enjoy!