AWE Touring Cat-Back Exhaust w/ Quad 4" Black Tips For 2013-2018 Audi S6 4.0T C7 2011-2012 Ford Mustang Shelby GT500 The bolt-on cap retains the

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AWE Touring Cat-Back Exhaust w/ Quad 4" Black Tips For 2013-2018 Audi S6 4.0T C7 2011-2012 Ford Mustang Shelby GT500 The bolt-on cap retains theUpgrade your 2013 2018 Audi C7 C7. 5 S6 4. 0T with the AWE Touring Edition Cat Back Exhaust in diamond black. Remarkably civil while idling and cruising, but at full throttle it produces what some have called a war cry wail. AWE's 180 Technology keeps drone out of the cabin at all times. Peak gains of 18 hp and 6 lb ft of torque, max gains of 27 hp and 31 lb ft of torque. System includes exhaust, non resonated downpipes, and quad 102mm oval diamond