AWE Exhaust For C8 Audi S6/S7 2.9TTWaking the sleeper. AWE Touring and Track Edition Catbacks for the C8 S6 S7 coming soon: 50 state emissions compliant dual 3 catback exhausts Options include Touring and Track Editions Touring Editions feature AWEs patented drone canceling 180 Technology Dyno proven gains of +9 hp and +8 lb ft of torque at the wheels Post catalyst downpipes feature factory matched flanges and robust flex sections to absorb engine movement Quad 4. 5 slash cut, double