Audi 4.0T C8 RS6, RS7 & D5 A8, S8 Downpipes Tahoe As we continued to develop

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

2x ARM Exhaust Reducers

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

Eliminates the restrictive factory catalytic converter

Audi 4.0T C8 RS6, RS7 & D5 A8, S8 Downpipes Tahoe As we continued to developThe 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