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343 products
343 products
FMF Racing
FMF Racing 23-25 Yamaha YZ450F Titanium Megabomb Header w/Mid Pipe
190100000
FMF Racing
FMF Racing 23-25 Yamaha YZ450F Titanium Megabomb Header w/Mid Pipe
190100000
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
FMF Racing Yamaha WR250F 20-21 Powercore 4 Hex Muffler
144800000
FMF Racing
FMF Racing Yamaha WR250F 20-21 Powercore 4 Hex Muffler
144800000
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 caps make for the perfect balance of performance and strength. Aluminum performance muffler with durable stainless steel components. Completely redesigned for all late model applications. Removable spark arrestor included. Aluminum slip-on developed to increase the horsepower and torque throughout the entire power band.
FMF Racing
FMF Racing Yamaha YZ250F 19-25/YZ250FX 20-25 AL F 4.1 RCT R. Carbon Cap Comp Sys w/ SS MB Header/MID
389200000
FMF Racing
FMF Racing Yamaha YZ250F 19-25/YZ250FX 20-25 AL F 4.1 RCT R. Carbon Cap Comp Sys w/ SS MB Header/MID
389200000
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 Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2021 | Yamaha | YZ250F | Base |
| 2019-2021 | Yamaha | YZ250FX | Base |
FMF Racing
FMF Racing Anodized Titanium Factory 4.1 RCT Muffler w/Carbon Cap
307700000
FMF Racing
FMF Racing Anodized Titanium Factory 4.1 RCT Muffler w/Carbon Cap
307700000
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 Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2022 | Yamaha | YZ250F | Base |
| 2020-2021 | Yamaha | YZ250FX | Base |
FMF Racing
FMF Racing SS Aluminum Factory 4.1 RCT Muffler Carbon Cap
235300000
FMF Racing
FMF Racing SS Aluminum Factory 4.1 RCT Muffler Carbon Cap
235300000
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 Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2022 | Yamaha | YZ250F | Base |
| 2020-2021 | Yamaha | YZ250FX | Base |
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 aluminum and high-strength stainless steel.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2021 | Yamaha | YZ250F | Base |
FMF Racing
FMF Racing Yamaha YZ250F 19-24/YZ250FX 20-24 Powercore 4 Hex Muffler
144800000
FMF Racing
FMF Racing Yamaha YZ250F 19-24/YZ250FX 20-24 Powercore 4 Hex Muffler
144800000
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 caps make for the perfect balance of performance and strength. Aluminum performance muffler with durable stainless steel components. Completely redesigned for all late model applications. Removable spark arrestor included. Aluminum slip-on developed to increase the horsepower and torque throughout the entire power band.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2021 | Yamaha | YZ250F | Base |
| 2020-2021 | Yamaha | YZ250FX | Base |
FMF Racing
FMF Racing Yamaha YZ250F 19-24/YZ250FX 20-24/WR250F 20-21 Titanium Megabomb Header w/Mid Pipe
190100000
FMF Racing
FMF Racing Yamaha YZ250F 19-24/YZ250FX 20-24/WR250F 20-21 Titanium Megabomb Header w/Mid Pipe
190100000
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.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020 | Yamaha | WR250F | Base |
| 2019-2021 | Yamaha | YZ250F | Base |
| 2020-2021 | Yamaha | YZ250FX | Base |
FMF Racing
FMF Racing 18-25 Yamaha YZ450F /YZ450FX 19-24 Anod TI Factory 4.1 RCT SO Muffler w/R. Carbon Cap
307700000
FMF Racing
FMF Racing 18-25 Yamaha YZ450F /YZ450FX 19-24 Anod TI Factory 4.1 RCT SO Muffler w/R. Carbon Cap
307700000
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 Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019 | Yamaha | WR450F | Base |
| 2018-2021 | Yamaha | YZ450F | Base |
| 2019-2020 | Yamaha | YZ450FX | Base |
FMF Racing
FMF Racing 18-26 Yamaha YZ450F SS Aluminum 4.1 RCT S/O w/Carbon Cap
235300000
FMF Racing
FMF Racing 18-26 Yamaha YZ450F SS Aluminum 4.1 RCT S/O w/Carbon Cap
235300000
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 is used by factory teams such as KTM, Epic Can-Am and Rath Racing. The Powerbomb header is made of durable stainless steel to withstand any abuse.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019 | Yamaha | WR450F | Base |
| 2018-2021 | Yamaha | YZ450F | Base |
| 2019-2020 | Yamaha | YZ450FX | Base |
FMF Racing
FMF Racing Yamaha YZ450F 18-26/WR450F (2019)/ YZ450FX 19-24 Powercore 4 Hex Muffler
144800000
FMF Racing
FMF Racing Yamaha YZ450F 18-26/WR450F (2019)/ YZ450FX 19-24 Powercore 4 Hex Muffler
144800000
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 caps make for the perfect balance of performance and strength. Aluminum performance muffler with durable stainless steel components. Completely redesigned for all late model applications. Removable spark arrestor included. Aluminum slip-on developed to increase the horsepower and torque throughout the entire power band.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019 | Yamaha | WR450F | Base |
| 2018-2021 | Yamaha | YZ450F | Base |
| 2019-2021 | Yamaha | YZ450FX | Base |
FMF Racing
FMF Racing Yamaha YZ450F 18-19/WR450F 19-20/YZ450FX 19 SS Megabomb Header w/Mid Pipe
153900000
FMF Racing
FMF Racing Yamaha YZ450F 18-19/WR450F 19-20/YZ450FX 19 SS Megabomb Header w/Mid Pipe
153900000
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.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019 | Yamaha | WR450F | Base |
| 2018-2019 | Yamaha | YZ450F | Base |
| 2019 | Yamaha | YZ450FX | Base |
FMF Racing
FMF Racing 4.1 Complete System w/Carbon Cap Megabomb Header
380100000
FMF Racing
FMF Racing 4.1 Complete System w/Carbon Cap Megabomb Header
380100000
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 Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2020 | Yamaha | YFZ450R | Base |
| 2010-2011 | Yamaha | YFZ450X | Base |
FMF Racing
FMF Racing Yamaha Raptor 700 06-23 Hex Q4 S/A Muffler
162900000
FMF Racing
FMF Racing Yamaha Raptor 700 06-23 Hex Q4 S/A Muffler
162900000
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 resulting in a flow increase of nearly 10%. The surface of the perforated core lets the sound exit into the absorbing material (steel wool packing) and then allows the air to expand, cool and ramp back up at higher air pressures (RPMs). The Power Bomb is a "pre-muffler" of sorts, which helps to lower the bike's sound output because it provides more sound-absorbing surface area to allow the exhaust gases to become absorbed.
FMF Racing
FMF Racing Yamaha YZ450F 14-17/ WR/YZ450FX 16-18 Anod TI Factory 4.1 RCT SO Muffler w/R. Carbon Cap
289600000
FMF Racing
FMF Racing Yamaha YZ450F 14-17/ WR/YZ450FX 16-18 Anod TI Factory 4.1 RCT SO Muffler w/R. Carbon Cap
289600000
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 Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2019 | Yamaha | WR250F | Base |
| 2014-2018 | Yamaha | YZ250F | Base |
| 2015-2019 | Yamaha | YZ250FX | Base |
FMF Racing
FMF Racing Yamaha YZ250F 14-18/YZ250FX 15-19/WR250F 15-19 Powercore 4 Hex Muffler
144800000
FMF Racing
FMF Racing Yamaha YZ250F 14-18/YZ250FX 15-19/WR250F 15-19 Powercore 4 Hex Muffler
144800000
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 caps make for the perfect balance of performance and strength. Aluminum performance muffler with durable stainless steel components. Completely redesigned for all late model applications. Removable spark arrestor included. Aluminum slip-on developed to increase the horsepower and torque throughout the entire power band.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2019 | Yamaha | WR250F | Base |
| 2014-2018 | Yamaha | YZ250F | Base |
| 2015-2019 | Yamaha | YZ250FX | Base |
FMF Racing
FMF Racing 4.1 Complete System Carbon Cap w/SS Powerbomb Header
343900000
FMF Racing
FMF Racing 4.1 Complete System Carbon Cap w/SS Powerbomb Header
343900000
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 Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2020 | Yamaha | YFZ450R | Base |
| 2010-2011 | Yamaha | YFZ450X | Base |
FMF Racing
FMF Racing YFZ450 Factory 4.1 S/O Anodized Titanium Muffler
244400000
FMF Racing
FMF Racing YFZ450 Factory 4.1 S/O Anodized Titanium Muffler
244400000
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 Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2020 | Yamaha | YFZ450R | Base |
| 2010-2011 | Yamaha | YFZ450X | Base |
FMF Racing
FMF Racing Yamaha YFZ450R 09-22/450X 10-11 Powercore 4 Muffler
144800000
FMF Racing
FMF Racing Yamaha YFZ450R 09-22/450X 10-11 Powercore 4 Muffler
144800000
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 caps make for the perfect balance of performance and strength. Aluminum performance muffler with durable stainless steel components. Completely redesigned for all late model applications. Removable spark arrestor included. Aluminum slip-on developed to increase the horsepower and torque throughout the entire power band.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2020 | Yamaha | YFZ450R | Base |
| 2010-2011 | Yamaha | YFZ450X | Base |
FMF Racing
FMF Racing Yamaha TTR110 08-15 SS Powercore 4 Complete System S/A
108600000
FMF Racing
FMF Racing Yamaha TTR110 08-15 SS Powercore 4 Complete System S/A
108600000
Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.
FMF Racing
FMF Racing Yamaha YZ250F 06-09/YZ450F 06-09/WR250F 07-13/450F 07-11 Q4 S/A Muffler
162900000
FMF Racing
FMF Racing Yamaha YZ250F 06-09/YZ450F 06-09/WR250F 07-13/450F 07-11 Q4 S/A Muffler
162900000
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 resulting in a flow increase of nearly 10%. The surface of the perforated core lets the sound exit into the absorbing material (steel wool packing) and then allows the air to expand, cool and ramp back up at higher air pressures (RPMs). The Power Bomb is a "pre-muffler" of sorts, which helps to lower the bike's sound output because it provides more sound-absorbing surface area to allow the exhaust gases to become absorbed.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2007-2013 | Yamaha | WR250F | Base |
| 2007-2011 | Yamaha | WR450F | Base |
| 2006-2009 | Yamaha | YZ250F | Base |
| 2006-2009 | Yamaha | YZ450F | Base |
FMF Racing
FMF Racing Yamaha YFZ450 04-09/ 12-15 Powercore 4 Muffler
144800000
FMF Racing
FMF Racing Yamaha YFZ450 04-09/ 12-15 Powercore 4 Muffler
144800000
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 caps make for the perfect balance of performance and strength. Aluminum performance muffler with durable stainless steel components. Completely redesigned for all late model applications. Removable spark arrestor included. Aluminum slip-on developed to increase the horsepower and torque throughout the entire power band.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2009,2012-2015 | Yamaha | YFZ450 | Base |
FMF Racing
FMF Racing Yamaha YZ250F 03-05/WR250F 03-06 Powercore 4 Muffler
144800000
FMF Racing
FMF Racing Yamaha YZ250F 03-05/WR250F 03-06 Powercore 4 Muffler
144800000
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 caps make for the perfect balance of performance and strength. Aluminum performance muffler with durable stainless steel components. Completely redesigned for all late model applications. Removable spark arrestor included. Aluminum slip-on developed to increase the horsepower and torque throughout the entire power band.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2006 | Yamaha | WR250F | Base |
| 2003-2005 | Yamaha | YZ250F | Base |
FMF Racing
FMF Racing Yamaha TTR/TTRL125 Powercore 4 Muffler/Header
101400000
FMF Racing
FMF Racing Yamaha TTR/TTRL125 Powercore 4 Muffler/Header
101400000
Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.
FMF Racing
FMF Racing Yamaha YZ/WR450F 03-06/ YFZ450 04-09/ 12-15 SS Powerbomb Header
90500000
FMF Racing
FMF Racing Yamaha YZ/WR450F 03-06/ YFZ450 04-09/ 12-15 SS Powerbomb Header
90500000
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, resulting in performance gains and improved flow.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2006 | Yamaha | YZ450F | Base |
Showing 200/343
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by Shopify API on Nov 14 2025
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