Race Exhaust - Stainless Steel/TitaniumSame as the Evolution system, only constructed with stainless steel headpipes. Connected with a sleeve joint held together with a silicon shielded tensioning spring. Hexagonal mufflers feature a composite plastic outlet cap to match the design of each bike. Link pipe is welded to the muffler. Inlet cap and inner perforation are made entirely out of titanium. Carbon fiber heat shield included.