Yoshimura Street R77 Dual Exhaust Slip-On System '09-'14 Yamaha YZF-R1
The popular R-77 offers outstanding performance, thanks to being developed in the heat of competition. It features a trapezoidal design, which allows a large volume of packing material and in turn delivers top performance. The R-77 muffler’s front cap is MIG-welded, while the end cap is riveted using high-end 304-L polished stainless steel rivets and bands.
Slip-on systems include Dual Yoshimura mufflers, stainless steel mid-pipes, all hardware for installation and detailed step-by-step instructions.
Dual under-tail configuration
Superbike technology and styling
Trapezoidal-shaped sleeve
Large volume of packing material
Straight baffle for ample flow
Innovative end-cap
Removable Low-Volume Insert