Fabspeed Audi RS6 / RS7 (C8) XperTune Performance Tune (2019-2021) Brakes The G20 B58 OEM airbox

The G20 B58 OEM airbox system was updated in cars built after November 2018 where the airflow sensor was replaced with a temperature sensor in the inlet tube

With the 8V RS3 Gen 2 and TTRS 8S platforms being widely used for high power builds

Optional 02 spacers available to help prevent triggering the Check Engine Light

2 Porsche Turbo

Fabspeed Audi RS6 / RS7 (C8) XperTune Performance Tune (2019-2021) Brakes The G20 B58 OEM airboxAchieve maximum power from the 2019+ Audi RS6 (C8) Twin Turbo V8 engine without sacrificing drivability or reliability by optimizing the engine's performance. Performance ECU software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air fuel ratios, and boost pressure. COMPATIBILITY: Fits all Audi RS6 (C8) Twin Turbo V8 vehicles 2019 June 2020 POWER: Stock = 552 WHP 516 TQ Tuned = 702 WHP 636 TQ