FMF Factory 4.1 Muffler KX250F/X 2021-2024 042396 1821-2036 Screen Insert for 4-Stroke Exhaust — Noise Reducer/Spark Arrestor Kit Springs provide improved feel

Kit Springs provide improved feel and a stronger spring rate for better engagement

2012 Honda TRX450R - - 2004-2020 Kawasaki KX 450 F - Notes: 2004-200813

41") at gauge face

Reflective panels

Seam-free collar edge

FMF Factory 4.1 Muffler KX250F/X 2021-2024 042396 1821-2036 Screen Insert for 4-Stroke Exhaust — Noise Reducer/Spark Arrestor Kit Springs provide improved feelRCT (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