Yoshimura's R-77D three quarter exhaust is a dual-outlet version of the race-proven R-77. It offers greater gains in low and mid range power without restrictive inserts.
The R-77D requires no inserts or restrictions, increasing muffler packing life and providing five percent more open exhaust outlet area and as much as three decibels lower sound output (compared to the standard open R-77).
- 3/4 system configuration
- Superbike technology and styling
- Innovative dual-outlet carbon fiber end-cap
- Trapezoidal-shaped sleeve
- Large volume of packing material
- Straight baffle for ample flow
- Stainless steel mid-pipe and tail-pipe
- Weight: 15.7 lbs lighter than stock configuration
Instructions and Parts Diagram
Instructions / Parts Diagram
This product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and Aftermarket accessories not found on a bike as delivered from the factory, may not be compatible with this product.
Attention International Customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility including fitment and performance may vary by marketplace.
Race Series Exhaust System
FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE
If you're looking for that competitive edge, look no further than our 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.
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