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

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

Replaces the restrictive factory catalytic converters with much less restrictive straight-through pipes for maximum sound

Fits all Porsche 971 Panamera V6 3

Fabspeed's Supersport Performance package adds a level of true excitement to the driving experience of the Porsche 991 Turbo by shortening the spool time of the turbos and providing quicker acceleration and improved throttle response

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