Video shows RENNtech C74 fitted with a roaring titanium exhaust system from Akrapovic getting a workout on American roads.
http://www.youtube.com/v/ZgaCZU0-oHY?fs=1&hl=en_US&rel=0
Mercedes-Benz C63 AMG with Akrapovic exhaust sound [video] (http://feeds.worldcarfans.com/~r/worldcarfans/Jxfz/~3/FWoZerWli04/mercedes-benz-c63-amg-with-akrapovic-exhaust-sound-video)