FMF Aluminum Factory 4.1 Slip-On Muffler '22 Honda CRF250R | 041610 combo ProFilter oil filter and a

ProFilter oil filter and a drain plug crush washer

Beta 390 RR 2015 to 2016

YAMAHA WR450F (07-15)

Polycarbonate alloy shell construction produces an extremely lightweight shell with excellent penetration resistance

90/40 bolt hole spacing

FMF Aluminum Factory 4.1 Slip-On Muffler '22 Honda CRF250R | 041610 combo ProFilter oil filter and aThe Factory 4. 1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, FMF achieved a shorter overall length that is less susceptible to crash damage and complementary to FMF's 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 FMF's exacting specifications and is manufactured 100%