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It's been a long time coming, and it's finally here, the new redesigned Suzuki RM-Z450. Nobody, but nobody, knows Suzuki like Yoshimura. We have been making power for the RM-Z450 from the beginning and now it's refined.
Our new RS-4 Signature Series systems max horsepower is up 3.5 %, max torque is up 1.5%. Weight savings is substantial with our Stainless Full system providing 11% less weight. Winning on the new RM-Z450 will be even easier now with Yoshimura power!
Proudly made in the USA!
Front muffler cap functions as a polyresonant chamber which helps reduce noise
Two-stage stepped baffle
Carbon fiber end-cap
Stainless steel header and tail-pipe
Yoshimura Stainless Full system weight 8.6 lbs. vs Stock Weight 9.7lbs
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.