The flagship of the Akrapovic exhaust systems, used and tested by top factory teams in racing Each model is unique and dedicated to maximizing the performance of an engine, while reducing overall weight for optimized handling of the whole motorcycle Significantly lighter compared to the stock exhaust system Made entirely of titanium For perfect performance, throttle response and durability special developed mapping from Dynojet is recommended. EXHAUST EVO TI/TI S1000RR