EXHAUST RAC SS/CF MT-09Has a lightweight carbon fiber muffler outer sleeve, combined with stainless steel link pipes and headers and finished with a titanium end cap, to produce a system that is 2. 6 kg (36. 5%) lighter than stock Features a shorter muffler for an enhanced sporty look, which exits on the side of the bike for visual impact Power is increased by 3. 3 kW (4. 5 hp) at 9,600 rpm when compared in back to back tests on a MT 09 with a Racing Line (Carbon) exhaust