AWE Tuning Audi B9 S4 SwitchPath Exhaust - Non-Resonated (Black 102mm Tips) - 3025-43034 Engine Breather Filters making fluid changes much easier

making fluid changes much easier and cleaner

Optional full valve control via OEM-style controller (Milltek's offering or similar recommended)

and the ball bearing load surface makes compression easy using simple hand tools

Available in Glazing Black Stealth Black or Prestige Carbon finish

Racer from aFe is a patented design by aFe which allows air flow from the side and top of the filter in a single piece design

AWE Tuning Audi B9 S4 SwitchPath Exhaust - Non-Resonated (Black 102mm Tips) - 3025-43034 Engine Breather Filters making fluid changes much easierInstead, the Track Edition comes with non resonated downpipes and straight pipe sections. The precision engineered x pipe and Sportback specific mid merge are the only filters. This version is known to get rowdy and may be too much for many. For that reason, this version cannot be returned due to sound preference. Prepare yourself. SwitchPath Exhaust The SwitchPath valved solution is for those who want complete control of their S5 Sportbacks volume