FMF Factory 4.1 Muffler KX250F/X 2021-2024 042396 1821-2036 Screen Insert for 4-Stroke Exhaust — Noise Reducer/Spark Arrestor engineered bi-density front flexion control

engineered bi-density front flexion control is strategically positioned over the mesh area

Reflective panels

In the sleeve construction maximizes comfort and feel

41") at gauge face

and DUMAX™ top cog compound to retain cord rigidity and better adhesion of top cog to cord construction

FMF Factory 4.1 Muffler KX250F/X 2021-2024 042396 1821-2036 Screen Insert for 4-Stroke Exhaust — Noise Reducer/Spark Arrestor engineered bi-density front flexion controlRCT (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