AWE Tuning B8 / B8.5 S5 Sportback Touring Edition Exhaust - Resonated - Diamond Black TipsNot applicable to US models. Our 3. 0T exhaust Systems represent one of 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. We have spent considerable time and effort during development to achieve remarkable civility when idling and at part throttle cruising, while also producing a war