AWE Tuning Audi B8 / B8.5 S5 Cabrio Touring Edition Exhaust - Non-Resonated - Chrome Silver TipsAWE Tuning Audi B8 B8. 5 S5 Cabrio Touring Edition Exhaust Non Resonated Chrome Silver Tips AWE's 3. 0T exhaust systems represent the most difficult, yet most rewarding, exhaust development projects in our company history. The 3. 0T systems have paved the way for future exhaust technologies that can now be found in most every AWE Exhaust product. AWE spent considerable time and effort during development to achieve remarkable civility when idling and