Yoshimura RS-4 SS Slip-on Muffler 2019-23 Kawasaki KX450/X | 244722D320 Chemicals Constructed with flat lock seams

Constructed with flat lock seams with high quality smooth thread for a seamless feel

Must be used in conjunction with Ride Eng

The redesigned PowerBomb is a four-stroke header that incorporates FMF's patented PowerBomb module at a precise location in the initial stage of the header

YAMAHA (06-20) YZ 125

Kawasaki KX500 1988 to 2005

Yoshimura RS-4 SS Slip-on Muffler 2019-23 Kawasaki KX450/X | 244722D320 Chemicals Constructed with flat lock seamsVEHICLE FITMENT Kawasaki KX450F 2019 2023 Kawasaki KX450X 2021 2023 2019 marks a new quest for the Kawasaki brand to own the 450cc motocross class. By the looks of it, the new big bore green machine looks like a strong contender, especially when paired with Yoshimura performance. At Yoshimura, we saw an opportunity to make the new green offering live up to its potential. Power and torque is up across the entire range for both curves with the new KX!