FMF Racing Kawasaki KX250F 04-08/ Suzuki RMZ250 04-06 Powercore 4 Muffler
$399.99
FMF042122
Exhaust, Mufflers & Tips
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 Honda CRF110F 13-18 Powercore 4 Muffler w/SS Header
$279.99
FMF041501
Exhaust, Mufflers & Tips
Muffler
New Products
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 2013-2018 Honda...
FMF Racing Yamaha YFZ450R 09-22/450X 10-11 Powercore 4 Muffler
$399.99
FMF044300
Exhaust, Mufflers & Tips
Muffler
New Products
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 Kawasaki KX450F 06-08/ KLX450R 08-09 Powercore 4 Muffler
$399.99
FMF042123
Exhaust, Mufflers & Tips
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 Honda XR80/100 01-03/ CRF80F/100 04-13 Powercore 4 Muffler w/SS Header
$279.99
FMF041014
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 2004-2009,2011-2013 Honda...
QuadBoss 12-13 Arctic Cat 550 EFI 4x4 Exhaust Gasket Kit
$8.30
QBS568948
Exhaust, Mufflers & Tips
Muffler
New Products
Two stroke kits include all applicable O-rings, springs, washers and gaskets. Four stroke kits include the exhaust gasket. Multi-cylinder applications include enough items for...
QuadBoss 04-06 Arctic Cat 650 V2 4x4 AT Exhaust Gasket Kit
$9.75
QBS568927
Exhaust, Mufflers & Tips
Muffler
Street
Two stroke kits include all applicable O-rings, springs, washers and gaskets. Four stroke kits include the exhaust gasket. Multi-cylinder applications include enough items for...
QuadBoss 85-87 Honda ATC250ES Slip-On Muffler
$425.99
QBS157162
Exhaust, Mufflers & Tips
Muffler
New Products
Steel muffler with black finish can be directly installed on O.E.M. pipes with its special coupler: no gaskets needed.This Part Fits: Year Make Model...
QuadBoss Universal Muffler
$373.99
QBS157108
Exhaust, Mufflers & Tips
Muffler
New Products
Steel muffler with black finish can be directly installed on O.E.M. pipes with its special coupler: no gaskets needed.
FMF Racing KTM Factory 4.1 RCT Anodized Titanium S/O w/Carbon Cap
$649.99
FMF045648
Exhaust, Mufflers & Tips
Muffler
New Products
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 4.1 RCT Aluminum S/O w/Carbon Cap
$549.99
FMF045647
Exhaust, Mufflers & Tips
Muffler
New Products
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 350-500XCF-W 20-23/HQV FE250-501 20-23/GG EC250-350 (2021) Powercore 4 Hex Muffler
$399.99
FMF045645
Exhaust, Mufflers & Tips
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, Mufflers & Tips
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 / XCF 18-22/HQV FC/FX250-450-501 16-18/FE 17-19 PC 4 Hex Muffler
$399.99
FMF045589
Exhaust, Mufflers & Tips
Muffler
New Products
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 F 4.1 RCT TI Anod SO w/CRBNCAP
$649.99
FMF045586
Exhaust, Mufflers & Tips
Muffler
New Products
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, Mufflers & Tips
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, Mufflers & Tips
Muffler
New Products
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 WR250F 20-21 Powercore 4 Hex Muffler
$399.99
FMF044471
Exhaust, Mufflers & Tips
Muffler
New Products
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 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, Mufflers & Tips
Muffler
New Products
Off Road
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, Mufflers & Tips
Muffler
Off Road
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, Mufflers & Tips
Muffler
New Products
Off Road
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 Powercore 4 Hex Muffler
$399.99
FMF044451
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 18-26 Yamaha YZ450F SS Aluminum 4.1 RCT S/O w/Carbon Cap
$649.99
FMF044443
Exhaust, Mufflers & Tips
Muffler
New Products
Off Road
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 4.1 Complete System w/Carbon Cap Megabomb Header
$1,049.99
FMF044438
Exhaust, Mufflers & Tips
Muffler
New Products
Off Road
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 Raptor 700 06-23 Hex Q4 S/A Muffler
$449.99
FMF044435
Exhaust, Mufflers & Tips
Muffler
Off Road
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 Raptor 700 15-23 SS Powerbomb Header
$324.99
FMF044432
Exhaust, Mufflers & Tips
Muffler
Off Road
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,...
FMF Racing Yamaha YZ450F 14-17/ WR/YZ450FX 16-18 Anod TI Factory 4.1 RCT SO Muffler w/R. Carbon Cap
$799.99
FMF044429
Exhaust, Mufflers & Tips
Muffler
New Products
Off Road
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 YFZ450 Factory 4.1 S/O Anodized Titanium Muffler
$674.99
FMF044400
Exhaust, Mufflers & Tips
Muffler
New Products
Off Road
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 08-26 SS Powercore 4 Complete System S/A
$299.99
FMF044273
Exhaust, Mufflers & Tips
Muffler
New Products
Off Road
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 TTR110 08-24 Powercore 4 Muffler w/SS Header
$279.99
FMF044272
Exhaust, Mufflers & Tips
Muffler
New Products
Off Road
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 Powercore 4 Muffler
$399.99
FMF044228
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 YZ450F 07-09/WR450F 07-15 SS Powerbomb Header
$249.99
FMF044225
Exhaust, Mufflers & Tips
Muffler
Off Road
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,...
FMF Racing Yamaha YFZ450 04-09/ 12-15 Powercore 4 Muffler
$399.99
FMF044224
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, Mufflers & Tips
Muffler
New Products
Off Road
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 DR650SE 97-22 Q4 S/A Muffler
$449.99
FMF043380
Exhaust, Mufflers & Tips
Muffler
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 DR650SE 97-22 Powercore 4 S/A Muffler
$399.99
FMF043379
Exhaust, Mufflers & Tips
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...