Dirt Bike Mufflers

FMF Racing KTM 500XCF-W 20-22/HQV FE501 20-22 AL Factory 4.1 RCT Sys w/SS MB Header/Mid - 045662

The 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...

FMF Racing KTM 500XCF-W 20-23/HQV FE501 20-23 SS Megabomb Header/Mid Pipe - 045661

The ultimate power boost, the MegaBomb Headers improve performance along the bottom and mid-range powerband. Patented FMF technology combines the benefits of a longer header, with top end peformance of a shorter header.

FMF Racing KTM 450/500EXC-F 17-19/HQV FE450/501 17-19 SS Megabomb Header/Mid Pipe - 045659

The ultimate power boost, the MegaBomb Headers improve performance along the bottom and mid-range powerband. Patented FMF technology combines the benefits of a longer header, with top end peformance of a shorter header.

FMF Racing Sherco 250-500 FSE 18-23 Anod TI Factory 4.1 RCT SO Muffler w/R. Carbon Cap - 045658

The 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...

FMF Racing HQV FE450 20-23/KTM 450XCF 23 Anod TI Factory 4.1 RCT Sys w/SS MB Header/Mid - 045654

The 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...

FMF Racing KTM 350XCF-W 20-22/HQV FE350 20-22/GG EC350F 21 Anod TI F4.1 RCT Sys w/SS MB Header/Mid - 045653

The 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...

FMF Racing KTM Factory 4.1 RCT Anodized Titanium S/O w/Carbon Cap - 045648

The 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...

FMF Racing KTM 4.1 RCT Aluminum S/O w/Carbon Cap - 045647

The 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...

FMF Racing KTM 350-500XCF-W 20-23/HQV FE250-501 20-23/ GG EC250-350 (2021) Hex Q4 Muffler - 045646

A 4-Stroke header system that incorporates FMF's patented Power Bomb module at a precise location in the initial stage of the header system; by positioning the "Bomb" at this key point, the expansion and contraction of exhaust sonics through the system...

FMF Racing KTM 350-500XCF-W 20-23/HQV FE250-501 20-23/GG EC250-350 (2021) Powercore 4 Hex Muffler - 045645

The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding. Aluminum construction and stainless steel Hi-Flo end...

FMF Racing HQV FE450 20-23/KTM 450XCF-W 23 SS Megabomb Header/Mid Pipe - 045644

The ultimate power boost, the MegaBomb Headers improve performance along the bottom and mid-range powerband. Patented FMF technology combines the benefits of a longer header, with top end peformance of a shorter header.

FMF Racing HQV FE250 20-21/ GG EC250F 21 SS Megabomb Header/Mid Pipe - 045642

The ultimate power boost, the MegaBomb Headers improve performance along the bottom and mid-range powerband. Patented FMF technology combines the benefits of a longer header, with top end peformance of a shorter header.