Brand New! FMF Factory 4.1 RCT Exhaust System 2025-2026 Kawasaki KX250

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.

See full description

FMF Factory 4.1 RCT Exhaust Sy...

£743.13

What Our Clients Say
15916 reviews