AWE Tuning Track Edition Exhaust | B9 S4 | 3.0L Turbo V6 Color:Diamond Black Multiple switchable profiles including various

Multiple switchable profiles including various sport modes

APR Throttle Pipe

Emissions friendly

That means fewer transitions and less power-robbing turbulence

AWE Tuning Track Edition Exhaust | B9 S4 | 3.0L Turbo V6 Color:Diamond Black Multiple switchable profiles including variousThe most aggressive system in the lineup. The Track Edition replaces all resonators with straight pipe sections, keeping only the X pipe for balance. Includes non resonated downpipes and delivers constant volume and raw tone. Comes with 102mm slash cut, double walled tips (Chrome Silver or Diamond Black), AWE logo etched, and individually adjustable. Warning: This system gets loud and is not returnable based on sound preference. Features: Proudly