FMF Racing Dirt Bike Factory 4.1 RCT Exhaust Part Number:1011-5608 (MFG #: 044466) 5" diameter base

5" diameter base

Expansion gussets are added to disperse stress in key areas and provides freedom of finger movement

230g of premium

Gore-Tex Three Layer Performance Shell Technology

Built-in shutoff valve

FMF Racing Dirt Bike Factory 4.1 RCT Exhaust Part Number:1011-5608 (MFG #: 044466) 5" diameter baseFEATURES 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