Yoshimura R-77D Slip-On Exhaust Stainless Steel/Carbon Fiber Honda CB1000R 2011 The r-77d muffler has been developed throughout years of racing efforts, and hours of meticulous res Its distinctive dual outlet end-cap design puts an enticing twist on the style of the original r-77 3/4 system includes r-77d muffler, stainless steel mid-pipe, yoshimura built under-belly muffler, an Stainless steel mid-pipe/carbon fiber muffler/carbon fiber end cap