Description
Power and torque is up across the entire range for both curves with the new KX! Max HP is up 1.7% and max torque is up 2%. The heart of the power is our RS-4 muffler with its Polyresonant Duplex front chamber and added overall volume helps make the KX450 come alive.
If you’re serious – it’s only Yoshimura. 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
- Stainless header and tail-pipe
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