The flagship of the Akrapovič exhaust system range, used and tested by our top factory teams in motorsport racing. It is simply the finest performance exhaust system available. Each model is unique and dedicated to maximizing the performance of an engine, while reducing overall weight for optimized handling of the whole motorcycle. Featuring a completely new-shape muffler design—inspired by Akrapovič’s involvement with top-class race teams —and made entirely of titanium, the Evolution Line exhaust will give the bike that “Grand Prix” look and also totally transform the bike by adding more power, improving performance, and giving it that unique sporty Akrapovič sound.For perfect performance, throttle response and durability special developed mapping from Dynojet has to be used. Please visit http://www.powercommander.com/powercommander.THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.