Cobra Tri-Pro 2 into 1 Chrome Exhaust System for 2008-2011 Yamaha XV19CX/C Raid Delivers increased performance gains over the stock system, with a bump up especially in the low and mid-range A unique Tri-Oval muffler design, with a full-sized, aluminum V-tip with dual exhaust ports The round muffler front seamlessly morphs to Tri-Oval shape at the rear Chromed head shields mount to the headpipes with a unique heat shield that covers the collector area Pipes come with O2 sensor ports