BUY NOW, PAY LATER. Starting at 0% APR 
HKS Universal Stainless Hi Power 130mm Titanium Muffler
$378.00
HKS34005-FK002
Exhaust, Mufflers & Tips
Muffler
HKS Universal Stainless Hi Power 130mm Titanium Muffler
HKS Universal Stainless Hi Power 170mm Titanium Muffler
$450.00
HKS34005-FK001
Exhaust, Mufflers & Tips
Muffler
HKS Universal Stainless Hi Power 170mm Titanium Muffler
HKS UNIVERSAL EX H/M SUS 130-75 (MOQ: 8pcs)
$300.00
HKS34002-AK008
Exhaust, Mufflers & Tips
Muffler
HKS UNIVERSAL EX H/M SUS 130-75 (MOQ: 8pcs)
HKS UNIVERSAL EX H/M SUS 130-65 (MOQ: 8pcs)
$280.00
HKS34002-AK007
Exhaust, Mufflers & Tips
Muffler
HKS UNIVERSAL EX H/M SUS 130-65 (MOQ: 8pcs)
QuadBoss Universal Muffler
$373.99
QBS157108
Exhaust, Mufflers & Tips
Muffler
Steel muffler with black finish can be directly installed on O.E.M. pipes with its special coupler: no gaskets needed.
FMF Racing Yamaha WR250F 20-21 Powercore 4 Hex Muffler
$399.99
FMF044471
Exhaust
Exhaust, Mufflers & Tips
Muffler
Yamaha WR250F (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 YZ250F 19-26/YZ250FX 20-26 Powercore 4 Hex Muffler
$399.99
FMF044451
Exhaust
Exhaust, Mufflers & Tips
Muffler
Yamaha YZ250 (Smart)
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 Raptor 700 06-23 Hex Q4 S/A Muffler
$449.99
FMF044435
Exhaust
Exhaust, Mufflers & Tips
Muffler
RAPTOR 700R (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 Honda CRF450X 19-26 Anod TI Factory 4.1 RCT SO Muffler w/ R. Carbon Cap
$749.99
FMF041587
Exhaust
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 Honda XR80/100 01-03/ CRF80F/100 04-13 Powercore 4 Muffler w/SS Header
$279.99
FMF041014
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 2004-2009,2011-2013 Honda...
FMF Racing Honda XR50 00-03/CRF50F 04-22 Powercore 4 Muffler w/SS Header
$279.99
FMF040072
Exhaust
Exhaust, Mufflers & Tips
Honda CRF50F
Honda XR50R
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 2004-2009,2011-2025 Honda...
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
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 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 23-25 SS Megabomb Header w/Mid Pipe
$424.99
FMF044475
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 TTR110 08-26 SS Powercore 4 Complete System S/A
$299.99
FMF044273
Exhaust
Exhaust, Mufflers & Tips
Muffler
Muffler Silencers
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 03-05/WR250F 03-06 Powercore 4 Muffler
$399.99
FMF044220
Exhaust
Exhaust, Mufflers & Tips
Muffler
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 Kawasaki KLX140/L/G 08-26 SS Aluminum Mini Moto Fact 4.1 Slip-On Muffler
$299.99
FMF042382
Exhaust
Exhaust, Mufflers & Tips
Kawasaki KLX140R
KLX140R (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 Kawasaki KX250F 09-16 SS Powerbomb Header
$249.99
FMF042179
Exhaust
Exhaust, Mufflers & Tips
Kawasaki KX250F
KX250 (Smart)
Muffler
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 Honda CRF450X 19-26 Hex Q4 S/A Muffler
$449.99
FMF041578
Exhaust
Exhaust, Mufflers & Tips
Honda CRF450X
Muffler
Muffler Silencers
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 Honda CRF450X 05-09 / 12-17 Powercore 4 Hex Muffler
$399.99
FMF041514
Exhaust
Exhaust, Mufflers & Tips
Honda CRF450X
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 Honda CRF110F 19-26 Powercore 4 S/A Muffler
$239.99
FMF041580
Exhaust
Exhaust, Mufflers & Tips
Honda CRF110F
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 2019-2025 Honda...
FMF Racing Honda XR80 86-90/ 93-00 XR100 86-00 Powercore 4 Muffler w/SS Header
$279.99
FMF040083
Exhaust
Exhaust, Mufflers & Tips
Honda XR100R
Honda XR80R
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 1986-2000 Honda...
FMF Racing Yamaha YFZ450R 09-22/450X 10-11 Powercore 4 Muffler
$399.99
FMF044300
Exhaust
Exhaust, Mufflers & Tips
Muffler
Yamaha YFZ450R
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
Exhaust, Mufflers & Tips
Muffler
Yamaha WR450F (Smart)
Yamaha YZ450F
Yamaha YZ450F (Smart)
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 YZ/WR450F 03-06/ YFZ450 04-09/ 12-15 SS Powerbomb Header
$249.99
FMF044033
Exhaust
Exhaust, Mufflers & Tips
Muffler
Yamaha WR450F (Smart)
Yamaha YZ450F
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 Suzuki DR650SE 97-22 Q4 S/A Muffler
$449.99
FMF043380
Exhaust
Exhaust, Mufflers & Tips
Muffler
Suzuki DR650
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
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 Suzuki DR650SE 97-22 SS Powerbomb Header
$249.99
FMF043289
Exhaust
Exhaust, Mufflers & Tips
Muffler
Suzuki DR650
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 Kawasaki KX450F 24-26 SS Alum Factory 4.1 RCT SO Muffler w/ R. Carbon Cap
$674.99
FMF042403
Exhaust
Exhaust, Mufflers & Tips
KX450F (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 Kawasaki KLX140/L/G 08-24 Powercore 4 S/A Muffler
$289.99
FMF042161
Exhaust
Exhaust, Mufflers & Tips
KLX140R (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 2008-2020 Kawasaki...
FMF Racing Honda CRF450X 19-26 Powercore 4 Hex Muffler
$399.99
FMF041586
Exhaust
Exhaust, Mufflers & Tips
Honda CRF450X
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 Honda CRF450R 02-03 SS Powerbomb Header
$249.99
FMF041034
Exhaust
Exhaust, Mufflers & Tips
Honda CRF450R
Muffler
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,...
QuadBoss 04-06 Arctic Cat 650 V2 4x4 AT Exhaust Gasket Kit
$9.75
QBS568927
Best Sellers
BRUTE FORCE 300 (SMART)
BRUTE FORCE 450 (SMART)
Exhaust
Exhaust, Mufflers & Tips
Kawasaki Brute Force 750
Kawasaki Brute Force 750 4x4i
Muffler
TERYX (SMART)
TERYX S (SMART)
TERYX S 4 (SMART)
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 12-13 Arctic Cat 550 EFI 4x4 Exhaust Gasket Kit
$8.30
QBS568948
Best Sellers
Exhaust
Exhaust, Mufflers & Tips
Muffler
Suzuki LTR450
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
Exhaust, Mufflers & Tips
Muffler
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...
FMF Racing KTM Factory 4.1 RCT Anodized Titanium S/O w/Carbon Cap
$649.99
FMF045648
Exhaust
Exhaust, Mufflers & Tips
KTM 450 XCF-W
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 4.1 RCT Aluminum S/O w/Carbon Cap
$549.99
FMF045647
Exhaust
Exhaust, Mufflers & Tips
KTM 450 XCF-W
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...
