S4 (B9)

AWE Tuning Touring Edition Exhaust System - Audi S4 (B9) 3.0T

AWE Tuning Touring Edition Exhaust System - Audi S4 (B9) 3.0T Max gains of 16 hp and 17 ft-lbs of torque at the crank Available as sophisticated Touring Edition, unleashed Track Edition, and valved SwitchPath Touring Edition Exhausts features...