FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP 041610 Size:OS -Developed over years of championship

-Developed over years of championship off-road racing

most models below 93dB

Additionally

FMF Custom Knit

FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP 041610 Size:OS -Developed over years of championshipThe 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