FMF RACING - 4.1 STAINLESS SLIP ON SILENCER - 044443 - YAMAHA 18-26 YZ450F / 19-26 YZ450FX / 19-26 WR450FThe Factory 4. 1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, it achieves a shorter overall length that is less susceptible to crash damage and complementary to the Factory Forward Engineering moving the muffler closer to the motor to centralize mass. The Factory 4. 1 RCT is constructed from only aerospace grade materials that meet FMF's exacting specifications and is manufactured 100% at

We take our Award Winning Standard Heat Shield and add a proprietary layer of Carbon / Kevlar that minimizes scarring when you’re splatting obstacles

low power consumption

-self mixing

you need a coolant bottle with a pressure cap

and oversized alloy axles for strength

H36HWH Graphite

DHA pin treatment: hard chromium-carbide layer formed on pin surface

Use P/N 08-0357 for HD cast rims

NM19-280 110/90-19-120/80-19

No worries

GPS Mounting Plate

Made with Global and Domestic Parts