Audi 4.0T C8 RS6, RS7 & D5 A8, S8 Downpipes Tahoe 10-15 HP Gains: Dyno-testing throughout

10-15 HP Gains: Dyno-testing throughout the development of the intake kit ensures that it makes the most horsepower possible

As we continued to develop the ReFlex+ Control Unit we decided to make it the ultimate in factory ECU flash tuning integration

Experience a more aggressive turbo noise with improved performance

Our products not only deliver impressive horsepower gains but also enhance the overall aesthetics and longevity of your vehicle's performance parts

- New headlight lens for replacing yellowed or pitted headlight lens

Audi 4.0T C8 RS6, RS7 & D5 A8, S8 Downpipes Tahoe 10-15 HP Gains: Dyno-testing throughoutThe ARM C8 RS Downpipes instantly boost power, torque, and throttle response for your 4. 0T powered Audi C8 RS6, RS7, or D5 S8 A8. By improving exhaust backpressure, these downpipes enable faster turbo spool, delivering more power and torque, especially in the lower RPM rangeall while enhancing the exhaust note! HIGHLIGHTS Gain up to 41whp 45wtq Faster Turbo Spool Improved Exhaust Note Fully Reversible Design Removable Midpipe Flanges for Easy