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.
- Superbike technology and styling.
- Trapezoidal-shaped sleeve.
- Large volume of packing material.
- Straight baffle for ample flow.
- Innovative end-cap.
- Removable low-volume Insert.
- Stainless steel header and tail-pipe.
Works Finish:
Yoshimura Works Finish takes on a unique coloring after it goes through a heat cycle on the motorcycle that looks much like those titanium works components our factory racers use.
- Contemporary satin / matte finish.
- Uniform heat coloration.
- Increased fatigue strength.
- Increased scratch and stain resistance.
Yoshimura Exhaust Series Descriptions:
Race Series: If you're looking for that competitive edge, look no further than Yoshimura's Race Series. These exhaust systems are designed with nothing but power in mind. Each Race Series system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide. FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE.
