AWE Tuning Audi B9 S5 Sportback Touring Edition Exhaust - Non-Resonated (Silver 102mm Tips)AWE Tuning Audi B9 S5 Sportback Touring Edition Exhaust Non Resonated (Silver 102mm Tips) Meet the perfected B9 S5 soundtrack. Signature AWE howl, delivered. The Touring Edition is the sophisticated member of the B9 S5 exhaust family. The Touring Edition Exhaust removes the factory valving and replaces it with AWE 180 Technology drone cancelling resonators (and electronic valve simulators). This solution provides for a perfect, signature AWE