Valvetronic Design Audi RS6 / RS7 C7 Valved Sport Exhaust SytemAs the ultimate daily driver, the RS6 7 C7 platform has the credentials to be the ideal long distance cruiser. Exceptional comfort combined with ravenous speed is truly a delicious combination. Sadly the factory exhaust sound leaves many owners wanting more out of their C7. We are proud to introduce a true sound revolution for this platform. Compromised of the highest quality stainless steel, this catback system combines the rawness thats missing from