Headers & Manifolds

FMF Racing KTM 250-450SXF 15-18 FE/XCF 16-18/ HQV FX250-450-501 16-18 F 4.1 RCT TI Anod SO w/CRBNCAP - 045586

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...

FMF Racing KTM SXF 07-15/XCF 07-15/XCFW 08-16/SMR 07-10 TI Anod F 4.1 RCT Muffler w/R. Carbon Cap - 045561

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...

FMF Racing KTM SXF 07-15/XCF 07-15/XCFW 08-16/SMR 07-10 SS AL F 4.1 RCT Muffler w/R. Carbon Cap - 045558

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...

FMF Racing KTM SX-F 07-15/XC-F 07-15/XCF-W 08-16/SMR 07-10/HSKY FE250/350 14-16 Hex Q4 S/A Muffler - 045556

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...

FMF Racing KTM SX-F 07-15/XC-F 07-15/XCF-W 08-16/SMR 07-10/HSKY FE250/350 14-16 PC 4 Hex Muffler - 045553

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...

FMF Racing Beta 350/390/400/430/450/480/498/500/520 10-18 Hex Q4 S/A Muffler - 045522

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...

FMF Racing KTM 350 EXC-F/500 EXC 12-16 SS Aluminum Factory 4.1 RCT SO Muffler - 045472

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...

FMF Racing Yamaha TTR110 08-24 SS Anodized Titanium Mini Moto Fact 4.1 Slip-On Muffler w/SS Header - 044468

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.

FMF Racing Suzuki RMZ450 11-24/ RMX450Z 17-19 SS Megabomb Header - 043309

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...

FMF Racing 25+ Kawasaki KX250F Titanium Megabomb Header - 042408

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...

FMF Racing 25+ Kawasaki KX250F SS Megabomb Header - 042407

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...

FMF Racing Kawasaki KX450F 24 Titanium Megabomb Header - 042400

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...