Dyno and track tested by Honda R&D in Japan, and HRC All Japan MX Racing Team
Unique twin header design allows for more bottom end power and torque
New compact forward positioned RS-9T dual muffler design provides lower center of gravity for better mass centralization
Larger RS-9T core creates improved throttle response, and power in mid and top-end
New RS-9T dual mufflers have more volume than stock to provide a decrease in overall dB noise level
Introducing Signature Series by Yoshimura – an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today’s dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.