FMF Factory 4.1 Slip-On Exhaust | 042330 Grey 3DF ventilated soft impact foam

3DF ventilated soft impact foam with hard shell areas

as well as the 250 East Supercross Championship with Chase Sexton and GEICO Honda

1998 - KEF 300 Lakota Utility [SRA]

Raises rev-limiter 1200 rpm over the OEM ignition

Husaberg FE 390 2011

FMF Factory 4.1 Slip-On Exhaust | 042330 Grey 3DF ventilated soft impact foamThe Factory 4. 1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our 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 our exacting specifications and is manufactured 100% at