AWE Tuning Audi B8 A5 2.0T Touring Edition Single Outlet Exhaust - Polished Silver TipsAWE Tuning Audi B8 A5 2. 0T Touring Edition Single Outlet Exhaust Polished Silver Tips AWE A4 Research and Development has yielded an exhaust that is remarkably civil while idling part throttle cruising, but unleashed at full throttle it produces what some have called a "war cry wail." Sophisticated, refined, and powerful, all in one package. Making good, better The stock exhaust system on a B8. 5 A4 is full of crimped tubing obstructs exhaust flow