Yoshimura R-77 Carbon Fiber Slip-On Exhaust System with Carbon Fiber Tip - EPA - Can-Am Spyder RT 2010-2011 Slip-on style with 20-gauge 304L polished stainless steel tapered mid-pipe, easily attaches to exhaust system Available in 3 Muffler options: Stainless Steel, Titanium and Carbon Fiber Most models available with choice of Stainless Steel or Carbon Fiber Tip