FMF Racing Dirt Bike Factory 4.1 RCT Exhaust YCRF_bag It features a unique compound

It features a unique compound and innovative design to provide optimal traction and control in soft

No worries

Fit most stock and select aftermarket Harley-Davidson upper trees

320gsm French Terry

Track clip tool insert makes changing clips on a track with 3" lug height much easier

FMF Racing Dirt Bike Factory 4.1 RCT Exhaust YCRF_bag It features a unique compoundFEATURES 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