Akrapovic Evolution Race Line Exhaust System for Audi RS Q8 Performance with Titanium Construction (Part S-AU/T/3H)This beautifully formed exhaust has sound and performance running right through it. Constructed entirely from low weight, high grade titanium, it features a central muffler flanked by two valves (the housings of both valves are cast at the in house Akrapovic foundry) and a link pipe set with an X connection element. With unique sound patterns designed to offer maximum enjoyment, the X connection in the link pipe section gives the exhaust system a