Yoshimura's 231021D720 Signature RS-4 Full System Exhaust, TI-TI-CF(Titanium, Titanium, Carbon Fiber) is made specifically for Yamaha YZ250F (2019-current).
The 2019 Yamaha YZ250F is an all new machine for the Blue Cru and by the looks of it, the refinements to this bike will continue to drive the 250cc class progression forward.
Yoshimura quickly went into development on this very important model, even involving the Australian Factory Serco Yamaha Supercross/Motocross Race Team for feed back on making the new system all it can be. Great increases in torque and HP in bottom to mid rage performance is just what the new YZ craves, and what we delivered on the new Yamaha. At Yoshimura we never stop pushing forward. Proudly made in the USA!
- Pentagonal-shaped sleeve
- Front muffler cap functions as a polyresonant chamber which helps reduce noise
- Two-stage stepped baffle
- Carbon fiber end-cap
- Titanium header and tail-pipe
- Repack Kits, optional Inserts and Spark Arresters are available for all models
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.
Note: Does not meet CARB (California Air Resources Board) emissions standards. For "Competition" use only
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