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FMF Racing KTM 350-500XCF-W 20-23/HQV FE250-501 20-23/GG EC250-350 (2021) Powercore 4 Hex Muffler
$399.99
FMF045645
Exhaust
Exhaust, Mufflers & Tips
KTM 450 XCF-W
Muffler
The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable...
FMF Racing KTM 250-450SXF 15-18 FE/XCF 16-18/ HQV FX250-450-501 16-18 SS 4.1 RCT SO w/CRBNCAP
$549.99
FMF045594
Exhaust
Exhaust, Mufflers & Tips
KTM 250 EXC (Smart)
KTM 250 EXC-F
KTM 250 SX-F
KTM 350 EXC-F
KTM 350 EXC-F-SIX DAYS
KTM 450 SX-F
KTM 500 EXC-F
Muffler
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...
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
$649.99
FMF045586
Exhaust
Exhaust, Mufflers & Tips
KTM 250 EXC (Smart)
KTM 250 EXC-F
KTM 250 SX-F
KTM 350 EXC-F
KTM 350 EXC-F-SIX DAYS
KTM 450 SX-F
KTM 500 EXC-F
Muffler
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...
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
$649.99
FMF045561
Exhaust
Exhaust, Mufflers & Tips
KTM 250 SX-F
KTM 450 SX-F
Muffler
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...
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
$399.99
FMF045553
Exhaust
Exhaust, Mufflers & Tips
KTM 250 SX-F
KTM 450 SX-F
Muffler
The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable...
FMF Racing KTM 350 EXC-F/500 EXC 12-16 SS Aluminum Factory 4.1 RCT SO Muffler
$499.99
FMF045472
Exhaust
Exhaust, Mufflers & Tips
KTM 350 EXC-F
KTM 350 EXC-F (Smart)
KTM 350 EXC-F Six Days (Smart)
KTM 350 EXC-F-SIX DAYS
Muffler
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...
FMF Racing 23-25 Yamaha YZ450F Titanium Megabomb Header w/Mid Pipe
$524.99
FMF044476
Exhaust
Exhaust, Mufflers & Tips
Headers & Manifolds
Muffler
Yamaha YZ450F (Smart)
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...
FMF Racing Yamaha YZ250F 19-26/YZ250FX 20-26 AL F 4.1 RCT R. Carbon Cap Comp Sys w/SS MB Header/MID
$1,074.99
FMF044456
Exhaust
Exhaust, Mufflers & Tips
Muffler
Off Road
Yamaha YZ250 (Smart)
Yamaha YZ250F
Yamaha YZ250F (Smart)
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...
FMF Racing SS Aluminum Factory 4.1 RCT Muffler Carbon Cap
$649.99
FMF044453
Exhaust
Exhaust, Mufflers & Tips
Muffler
Off Road
Yamaha YZ250F
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...
FMF Racing Hex Q4 S/A Muffler
$449.99
FMF044452
Exhaust
Exhaust, Mufflers & Tips
Muffler
Off Road
Yamaha YZ250F
Developed over years of championship offroad racing. Max sound output 96dB; most models below 94dB. Use with stock or FMF header. Constructed from aircraft-grade...
FMF Racing Yamaha YZ250F 19-26/YZ250FX 20-26/WR250F 20-24 Titanium Megabomb Header w/Mid Pipe
$524.99
FMF044450
Exhaust
Exhaust, Mufflers & Tips
Headers & Manifolds
Muffler
Off Road
Yamaha WR250F
Yamaha WR250F (Smart)
Yamaha YZ250 (Smart)
Yamaha YZ250F
Yamaha YZ250F (Smart)
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...
FMF Racing 18-26 Yamaha YZ450F SS Aluminum 4.1 RCT S/O w/Carbon Cap
$649.99
FMF044443
Exhaust
Exhaust, Mufflers & Tips
Muffler
Off Road
Yamaha WR450F
Yamaha YZ450F
Yamaha YZ450F (Smart)
The Factory 4.1 exhaust system with the Powerbomb header is FMF's premier exhaust system. This system is perfect for the track or dunes, and...
FMF Racing Yamaha YZ450F 18-26/WR450F (2019)/ YZ450FX 19-24 Powercore 4 Hex Muffler
$399.99
FMF044441
Exhaust
Exhaust, Mufflers & Tips
Muffler
Off Road
Yamaha WR450F
Yamaha WR450F (Smart)
Yamaha YZ450F
Yamaha YZ450F (Smart)
The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable...
FMF Racing 4.1 Complete System w/Carbon Cap Megabomb Header
$1,049.99
FMF044438
Exhaust
Exhaust, Mufflers & Tips
Muffler
Off Road
Yamaha YFZ450R
YFZ450R (SMART)
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...
FMF Racing Yamaha YZ250F 14-18/YZ250FX 15-19/WR250F 15-19 Powercore 4 Hex Muffler
$399.99
FMF044423
Exhaust
Exhaust, Mufflers & Tips
Muffler
Off Road
Yamaha WR250F
Yamaha WR250F (Smart)
Yamaha YZ250 (Smart)
Yamaha YZ250F
Yamaha YZ250F (Smart)
The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable...
FMF Racing Yamaha YZ450F 14-17/YZ450FX 16-18/WR450F 16-18 Powercore 4 Hex Muffler
$399.99
FMF044404
Exhaust
Exhaust, Mufflers & Tips
Muffler
Off Road
Yamaha WR450F
Yamaha WR450F (Smart)
Yamaha YZ450F
Yamaha YZ450F (Smart)
The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable...
FMF Racing YFZ450 Factory 4.1 S/O Anodized Titanium Muffler
$674.99
FMF044400
Exhaust
Exhaust, Mufflers & Tips
Muffler
Off Road
Yamaha YFZ450R
YFZ450R (SMART)
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...
FMF Racing Yamaha TTR110 08-24 Powercore 4 Muffler w/SS Header
$279.99
FMF044272
Exhaust
Exhaust, Mufflers & Tips
Muffler
Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part Fits: Year Make Model Submodel 2008-2009,2011-2025 Yamaha...
FMF Racing Yamaha YZ250F 06-09/YZ450F 06-09/WR250F 07-13/450F 07-11 Q4 S/A Muffler
$449.99
FMF044232
Exhaust
Exhaust, Mufflers & Tips
Muffler
Off Road
Yamaha WR250F
Yamaha WR250F (Smart)
Yamaha WR450F
Yamaha YZ250 (Smart)
Yamaha YZ250F
Yamaha YZ250F (Smart)
Yamaha YZ450F
Yamaha YZ450F (Smart)
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...
FMF Racing Yamaha YFZ450 04-09/ 12-15 Powercore 4 Muffler
$399.99
FMF044224
Exhaust
Exhaust, Mufflers & Tips
Muffler
Off Road
The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable...
FMF Racing Yamaha TTR/TTRL125 00-26 Powercore 4 Muffler/Header
$279.99
FMF044136
Exhaust
Exhaust, Mufflers & Tips
Muffler
Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part Fits: Year Make Model Submodel 2000-2020 Yamaha...
FMF Racing Suzuki DRZ400 06-07/400S 00-22/400SM 05-21 / Kawasaki KLX400SR 03-04 Q4 S/A Muffler
$449.99
FMF043377
Exhaust
Exhaust, Mufflers & Tips
Muffler
Street
Suzuki DR-Z400
Suzuki DR-Z400S
Suzuki DR-Z400SM
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...
FMF Racing Suzuki DRZ400 06-07/400S 00-22/400SM 05-21 / Kawasaki KLX400SR 03-04 PC 4 S/A Muffler
$399.99
FMF043376
Exhaust
Exhaust, Mufflers & Tips
Muffler
Street
Suzuki DR-Z400
Suzuki DR-Z400S
Suzuki DR-Z400SM
The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable...
FMF Racing Suzuki DRZ125 03-21/ Kawasaki KLX125 03-06 Powercore 4 Muffler
$269.99
FMF043095
Exhaust
Exhaust, Mufflers & Tips
Muffler
Street
Suzuki DR-Z125L
Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part Fits: Year Make Model Submodel 2003-2006 Kawasaki...
FMF Racing 25+ Kawasaki KX250F SS Alum. Factory 4.1 RCT w/R. Carbon Cap w/Megabomb Header(Complete)
$1,049.98
FMF042413
Exhaust
Exhaust, Mufflers & Tips
KX250 (Smart)
Muffler
Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part Fits: Year Make Model Submodel 2025 Kawasaki...
FMF Racing 25+ Kawasaki KX250F SS Alum. Factory 4.1 RCT Slip-On Muffler w/ R. Carbon Cap
$674.98
FMF042411
Exhaust
Exhaust, Mufflers & Tips
KX250 (Smart)
Muffler
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...
FMF Racing 25+ Kawasaki KX250F SS Megabomb Header
$374.98
FMF042407
Exhaust
Exhaust, Mufflers & Tips
Headers & Manifolds
KX250 (Smart)
Muffler
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...
FMF Racing Kawasaki KX450F 24-26 Powercore 4 Hex Muffler
$399.99
FMF042401
Exhaust
Exhaust, Mufflers & Tips
KX450F (Smart)
Muffler
The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable...
FMF Racing Powercore 4 Hex Muffler
$399.99
FMF042392
Exhaust
Exhaust, Mufflers & Tips
Kawasaki KX250
Kawasaki KX250F
Kawasaki KX250X
Muffler
Street
The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable...
FMF Racing Kawasaki KLX300R 20-21 Q4 S/A Muffler
$449.99
FMF042388
Exhaust
Exhaust, Mufflers & Tips
Kawasaki KLX300R
KLX300R (Smart)
Muffler
Street
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...
FMF Racing Kawasaki KLX140/L/G 08-26 Anodized Titanium Factory 4.1 Muffler w/SS Header
$349.99
FMF042383
Exhaust
Exhaust, Mufflers & Tips
Kawasaki KLX140R
KLX140R (Smart)
Muffler
Street
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...
FMF Racing Kawasaki KLX110/L 02-26/ Suzuki DRZ110 03-05 SS Alum Mini Moto Fact 4.1 SO w/SS Header
$459.99
FMF042380
Exhaust
Exhaust, Mufflers & Tips
KLX110R/L (Smart)
Muffler
Street
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...
FMF Racing Kawasaki KX450F 19-23 / KX450X 21 SS Aluminum Factory 4.1 RCT SO Muffler w/ R. Carbon Cap
$599.99
FMF042369
Exhaust
Exhaust, Mufflers & Tips
Kawasaki KX450F
KX450F (Smart)
KX450X (Smart)
Muffler
Street
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...
FMF Racing Kawasaki KX450F 19-23/450X (2021) Powercore 4 Hex Muffler
$399.99
FMF042367
Exhaust
Exhaust, Mufflers & Tips
Kawasaki KX450F
KX450F (Smart)
Muffler
Street
The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable...
FMF Racing Kawasaki KLX140/L/G 08-24 Powercore 4 Muffler
$269.99
FMF042160
Exhaust
Exhaust, Mufflers & Tips
KLX140R (Smart)
Muffler
Street
Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part Fits: Year Make Model Submodel 2008-2020 Kawasaki...
FMF Racing Kawasaki KX450F 06-11 SS Powerbomb Header
$249.99
FMF042094
Exhaust
Exhaust, Mufflers & Tips
Kawasaki KX450F
KX450F (Smart)
Muffler
Street
The redesigned PowerBomb is a 4-stroke header that incoporates FMF's patented PowerBomb module at a precise location in the initial stage of the header,...
