FMF Racing Dirt Bike Factory 4.1 RCT Exhaust YCRF_goggles Castle Nut

Castle Nut

Ultraviolet Protection Factor (UPF) 40 protection from UV rays

Custom-molded thermoplastic heel counter and toe box for instant comfort and lateral support

allowing for a customized fit

Specialized Polymer Blended Compound: Allows for quicker upshifts and downshifts and increased engine

FMF Racing Dirt Bike Factory 4.1 RCT Exhaust YCRF_goggles Castle NutFEATURES The Factory 4. 1 RCT incorporates FMF's Resonance Chamber Technology both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering moving the muffler closer to the motor to centralize mass Constructed from only aerospace grade materials that meet their exacting specifications and is manufactured 100% at their Southern California