RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power
FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
Meets AMA and FIM sound requirements
QuietCore 94 dB insert included
Made in the U.S.A.
FITS 2021-2024 KAWASAKI KX250, 2021-2022 KAWASAKI KX250 X
