The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams. It shares many of the same characteristics with its’ craftsmanship and material quality. The Factory Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.
-Lighter 20 gauge steel used for the body of the pipe.
-19 Gauge steel used for the header portion.
-Includes O-rings on most models
-Hand pounded seams for smooth flow transitions.
-O-Rings Included
Factory Fatty 022062
Regular price
$299.99
/
022062
The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams. It shares many of the same characteristics with its’ craftsmanship and material quality. The Factory Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.
-Lighter 20 gauge steel used for the body of the pipe.
-19 Gauge steel used for the header portion.
-Includes O-rings on most models
-Hand pounded seams for smooth flow transitions.
-O-Rings Included
Factory Fatty Big Bore 025154
Regular price
$299.99
/
025154
Recommended for Husqv/KTM 105cc built bikes and up
Factory Fatty 025121
Regular price
$299.99
/
025121
The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams. It shares many of the same characteristics with its’ craftsmanship and material quality. The Factory Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.
-Lighter 20 gauge steel used for the body of the pipe.
-19 Gauge steel used for the header portion.
-Includes O-rings on most models
-Hand pounded seams for smooth flow transitions.
-O-Rings Included
Gnarly 023060
Regular price
$299.99
/
023060
The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain. When looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for you. Strong and rugged, this aggressive pipe dishes out handfuls of torque and bottom to mid range pull needed for late model 200cc through 500cc machines and the rigors of the off road domain.
-Nickel plating is an FMF trademark and has been ‘copied’ by everyone making it the most imitated expansion chamber in the world.
-Super strong18 gauge steel construction makes it GNARLY!
-O-Rings Included
Gnarly 025236
Regular price
$299.99
/
025236
The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain. When looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for you. Strong and rugged, this aggressive pipe dishes out handfuls of torque and bottom to mid range pull needed for late model 200cc through 500cc machines and the rigors of the off road domain.
-Nickel plating is an FMF trademark and has been ‘copied’ by everyone making it the most imitated expansion chamber in the world.
-Super strong18 gauge steel construction makes it GNARLY!
-O-Rings Included
Gnarly 022053
Regular price
$299.99
/
022053
The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain. When looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for you. Strong and rugged, this aggressive pipe dishes out handfuls of torque and bottom to mid range pull needed for late model 200cc through 500cc machines and the rigors of the off road domain.
-Nickel plating is an FMF trademark and has been ‘copied’ by everyone making it the most imitated expansion chamber in the world.
-Super strong18 gauge steel construction makes it GNARLY!
-O-Rings Included
Gnarly 025148
Regular price
$299.99
/
025148
The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain. When looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for you. Strong and rugged, this aggressive pipe dishes out handfuls of torque and bottom to mid range pull needed for late model 200cc through 500cc machines and the rigors of the off road domain.
-Nickel plating is an FMF trademark and has been ‘copied’ by everyone making it the most imitated expansion chamber in the world.
-Super strong18 gauge steel construction makes it GNARLY!
-O-Rings Included
Gnarly 021041
Regular price
$299.99
/
021041
The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain. When looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for you. Strong and rugged, this aggressive pipe dishes out handfuls of torque and bottom to mid range pull needed for late model 200cc through 500cc machines and the rigors of the off road domain.
-Nickel plating is an FMF trademark and has been ‘copied’ by everyone making it the most imitated expansion chamber in the world.
-Super strong18 gauge steel construction makes it GNARLY!
-O-Rings Included
Gnarly 025152
Regular price
$299.99
/
025152
The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain. When looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for you. Strong and rugged, this aggressive pipe dishes out handfuls of torque and bottom to mid range pull needed for late model 200cc through 500cc machines and the rigors of the off road domain.
-Nickel plating is an FMF trademark and has been ‘copied’ by everyone making it the most imitated expansion chamber in the world.
-Super strong18 gauge steel construction makes it GNARLY!
-O-Rings Included
Gnarly 025056
Regular price
$299.99
/
025056
The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain. When looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for you. Strong and rugged, this aggressive pipe dishes out handfuls of torque and bottom to mid range pull needed for late model 200cc through 500cc machines and the rigors of the off road domain.
-Nickel plating is an FMF trademark and has been ‘copied’ by everyone making it the most imitated expansion chamber in the world.
-Super strong18 gauge steel construction makes it GNARLY!
The Mini Powercore 4 is the best bang for your buck performance bolt on for your mini. Offered as a standard Mini Powercore 4, Closed Course Big Bore System or as a Spark Arrestor Version, the Mini Powercore 4 features a Hi-Flo stainless steel core and formed end caps, an aircraft grade aluminum canister and a durable stainless steel header. Its pounds lighter than stock and you will swear the motor has been bored and stroked with the first twist of the throttle.
Hi-Flo Core and End Cap
Pounds lighter than stock
Factory Fatty 025304
Regular price
$289.99
/
025304
The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams. It shares many of the same characteristics with its’ craftsmanship and material quality. The Factory Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.
-Lighter 20 gauge steel used for the body of the pipe.
-19 Gauge steel used for the header portion.
-Includes O-rings on most models
-Hand pounded seams for smooth flow transitions.
-O-Rings Included
Fatty 024068
Regular price
$289.99
/
024068
Our Fatty Gold Series pipe broadens the powerband and provides a healthy power increase everywhere. Improved throttle response, a linear powerband and enhanced over-rev all add up to a pipe that everyone will benefit from. The Fatty pipe is our most popular pipe for that same reason. If you’re riding trails, tracks or in the open desert, this pipe has what you’re looking for.
Number one pipe on the market.
FMF Racing’s Tru-Flo stamping process ensures a perfect fit and optimum performance.
Includes O-rings.
Fatty 024023
Regular price
$289.99
/
024023
With well over 35 years of racing experience behind it, the Fatty Gold Series pipe delivers race proven performance. The Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.
-More tractable power, improved throttle control
-Provides power gains throughout entire power band
-Carbon steel with a nickel plated finish for maximum durability
-FMF Racing’s Tru-Flo stamping process ensures a perfect fit and optimum performance.
-Can be used with FMF or stock silencer (unless noted)
-Our most popular 2-stroke pipe
-O-Rings Included
Fatty 025151
Regular price
$289.99
/
025151
With well over 35 years of racing experience behind it, the Fatty Gold Series pipe delivers race proven performance. The Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.
-More tractable power, improved throttle control
-Provides power gains throughout entire power band
-Carbon steel with a nickel plated finish for maximum durability
-FMF Racing’s Tru-Flo stamping process ensures a perfect fit and optimum performance.
-Can be used with FMF or stock silencer (unless noted)
-Our most popular 2-stroke pipe
-O-Rings Included
Fatty 025197
Regular price
$289.99
/
025197
Our Fatty Gold Series pipe broadens the powerband and provides a healthy power increase everywhere. Improved throttle response, a linear powerband and enhanced over-rev all add up to a pipe that everyone will benefit from. The Fatty pipe is our most popular pipe for that same reason. If you’re riding trails, tracks or in the open desert, this pipe has what you’re looking for.
Number one pipe on the market.
FMF Racing’s Tru-Flo stamping process ensures a perfect fit and optimum performance.
Includes O-rings.
Factory Fatty 025287
Regular price
$289.99
/
025287
The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams. It shares many of the same characteristics with its’ craftsmanship and material quality. The Factory Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.
-Lighter 20 gauge steel used for the body of the pipe.
-19 Gauge steel used for the header portion.
-Includes O-rings on most models
-Hand pounded seams for smooth flow transitions.
-O-Rings Included
Factory Fatty 024069
Regular price
$289.99
/
024069
The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams. It shares many of the same characteristics with its’ craftsmanship and material quality. The Factory Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.
-Lighter 20 gauge steel used for the body of the pipe.
-19 Gauge steel used for the header portion.
-Includes O-rings on most models
-Hand pounded seams for smooth flow transitions.
-O-Rings Included
Factory Fatty 025103
Regular price
$289.99
/
025103
The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams. It shares many of the same characteristics with its’ craftsmanship and material quality. The Factory Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.
-Lighter 20 gauge steel used for the body of the pipe.
-19 Gauge steel used for the header portion.
-Includes O-rings on most models
-Hand pounded seams for smooth flow transitions.
-O-Rings Included
Factory Fatty 025198
Regular price
$289.99
/
025198
The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams. It shares many of the same characteristics with its’ craftsmanship and material quality. The Factory Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.
-Lighter 20 gauge steel used for the body of the pipe.
-19 Gauge steel used for the header portion.
-Includes O-rings on most models
-Hand pounded seams for smooth flow transitions.
-O-Rings Included
Factory Fatty 025101
Regular price
$289.99
/
025101
The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams. It shares many of the same characteristics with its’ craftsmanship and material quality. The Factory Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.
-Lighter 20 gauge steel used for the body of the pipe.
-19 Gauge steel used for the header portion.
-Includes O-rings on most models
-Hand pounded seams for smooth flow transitions.
-O-Rings Included
Fatty 025286
Regular price
$289.99
/
025286
With well over 35 years of racing experience behind it, the Fatty Gold Series pipe delivers race proven performance. The Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.
-More tractable power, improved throttle control
-Provides power gains throughout entire power band
-Carbon steel with a nickel plated finish for maximum durability
-FMF Racing’s Tru-Flo stamping process ensures a perfect fit and optimum performance.
-Can be used with FMF or stock silencer (unless noted)
-Our most popular 2-stroke pipe
-O-Rings Included
Fatty 025299
Regular price
$279.99
/
025299
With well over 35 years of racing experience behind it, the Fatty Gold Series pipe delivers race proven performance. The Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.
-More tractable power, improved throttle control
-Provides power gains throughout entire power band
-Carbon steel with a nickel plated finish for maximum durability
-FMF Racing’s Tru-Flo stamping process ensures a perfect fit and optimum performance.
-Can be used with FMF or stock silencer (unless noted)
The Mini Powercore 4 is the best bang for your buck performance bolt on for your mini. Offered as a standard Mini Powercore 4, Closed Course Big Bore System or as a Spark Arrestor Version, the Mini Powercore 4 features a Hi-Flo stainless steel core and formed end caps, an aircraft grade aluminum canister and a durable stainless steel header. Its pounds lighter than stock and you will swear the motor has been bored and stroked with the first twist of the throttle.
Hi-Flo Core and End Cap
Pounds lighter than stock
HON XR80'86-90/93-00 XR100'86-00 P-CORE 4 MFLR W/SS HEADER 040083
Regular price
$279.99
/
040083
The Mini Powercore 4 is the best bang for your buck performance bolt on for your mini. Offered as a standard Mini Powercore 4, Closed Course Big Bore System or as a Spark Arrestor Version, the Mini Powercore 4 features a Hi-Flo stainless steel core and formed end caps, an aircraft grade aluminum canister and a durable stainless steel header. Its pounds lighter than stock and you will swear the motor has been bored and stroked with the first twist of the throttle.
Hi-Flo Core and End Cap
Pounds lighter than stock
HON CRF70F'05-12 P-CORE 4 MFLR W/SS HEADER 041178
Regular price
$279.99
/
041178
The Mini Powercore 4 is the best bang for your buck performance bolt on for your mini. Offered as a standard Mini Powercore 4, Closed Course Big Bore System or as a Spark Arrestor Version, the Mini Powercore 4 features a Hi-Flo stainless steel core and formed end caps, an aircraft grade aluminum canister and a durable stainless steel header. Its pounds lighter than stock and you will swear the motor has been bored and stroked with the first twist of the throttle.
Hi-Flo Core and End Cap
Pounds lighter than stock
HON XR70'01-03/CRF70'04 P-CORE 4 MFLR W/SS HEADER 041016
Regular price
$279.99
/
041016
The Mini Powercore 4 is the best bang for your buck performance bolt on for your mini. Offered as a standard Mini Powercore 4, Closed Course Big Bore System or as a Spark Arrestor Version, the Mini Powercore 4 features a Hi-Flo stainless steel core and formed end caps, an aircraft grade aluminum canister and a durable stainless steel header. Its pounds lighter than stock and you will swear the motor has been bored and stroked with the first twist of the throttle.
Hi-Flo Core and End Cap
Pounds lighter than stock
Factory Fatty 025300
Regular price
$279.99
/
025300
The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams. It shares many of the same characteristics with its’ craftsmanship and material quality. The Factory Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.
-Lighter 20 gauge steel used for the body of the pipe.
-19 Gauge steel used for the header portion.
-Includes O-rings on most models
-Hand pounded seams for smooth flow transitions.
-O-Rings Included
HON CRF125F'14-18 P-CORE 4 MFLR W/SS HEADER 041533
Regular price
$279.99
/
041533
The Mini Powercore 4 is the best bang for your buck performance bolt on for your mini. Offered as a standard Mini Powercore 4, Closed Course Big Bore System or as a Spark Arrestor Version, the Mini Powercore 4 features a Hi-Flo stainless steel core and formed end caps, an aircraft grade aluminum canister and a durable stainless steel header. Its pounds lighter than stock and you will swear the motor has been bored and stroked with the first twist of the throttle.
Hi-Flo Core and End Cap
Pounds lighter than stock
Stainless MegaBomb 045426
Regular price
$274.99
/
045426
This is used for a single sided exhaust system except part # 014553
The Mini Powercore 4 is the best bang for your buck performance bolt on for your mini. Offered as a standard Mini Powercore 4, Closed Course Big Bore System or as a Spark Arrestor Version, the Mini Powercore 4 features a Hi-Flo stainless steel core and formed end caps, an aircraft grade aluminum canister and a durable stainless steel header. Its pounds lighter than stock and you will swear the motor has been bored and stroked with the first twist of the throttle.
Hi-Flo Core and End Cap
Pounds lighter than stock
Turbinecore 2.1 024061
Regular price
$269.99
/
024061
Meet the WORLDS bestselling spark arrested exhaust, the TurbineCore 2.1 uses the exclusive "Turbine Dampening System". This top-notch product has well earned its U.S. Forest legal status. The straight through design of the spark arrestor canister and the performance flow stainless steel end cap ensures strength, durability and most importantly, track and trail proven unrestricted power and performance. The Turbinecore 2.1 is the #1 spark arrestor in the world!
• -Race-tested, smooth power curve throughout the RPM range. • -Unrestricted performance unlike other brands that use inserts that can clog up with oil and potential bike damage. • -Engineered to assault today's tracks and trails • -Larger diameter aluminum canister for more tunability and longer lasting packing life. • -Delivers a crisp, notable sound. • -Pounds Lighter than stock. • -Complete Aluminum and Stainless Steel construction • -Optimally designed to complement performance of FMF pipes; works and fits FMF or stock. • -Built In-House at FMF state of the art manufacturing facility in the USA
Turbinecore 2.1 025193
Regular price
$269.99
/
025193
Meet the WORLDS bestselling spark arrested exhaust, the TurbineCore 2.1 uses the exclusive "Turbine Dampening System". This top-notch product has well earned its U.S. Forest legal status. The straight through design of the spark arrestor canister and the performance flow stainless steel end cap ensures strength, durability and most importantly, track and trail proven unrestricted power and performance. The Turbinecore 2.1 is the #1 spark arrestor in the world!
• -Race-tested, smooth power curve throughout the RPM range. • -Unrestricted performance unlike other brands that use inserts that can clog up with oil and potential bike damage. • -Engineered to assault today's tracks and trails • -Larger diameter aluminum canister for more tunability and longer lasting packing life. • -Delivers a crisp, notable sound. • -Pounds Lighter than stock. • -Complete Aluminum and Stainless Steel construction • -Optimally designed to complement performance of FMF pipes; works and fits FMF or stock. • -Built In-House at FMF state of the art manufacturing facility in the USA
Turbinecore 2.1 025179
Regular price
$269.99
/
025179
Meet the WORLDS bestselling spark arrested exhaust, the TurbineCore 2.1 uses the exclusive "Turbine Dampening System". This top-notch product has well earned its U.S. Forest legal status. The straight through design of the spark arrestor canister and the performance flow stainless steel end cap ensures strength, durability and most importantly, track and trail proven unrestricted power and performance. The Turbinecore 2.1 is the #1 spark arrestor in the world!
• -Race-tested, smooth power curve throughout the RPM range. • -Unrestricted performance unlike other brands that use inserts that can clog up with oil and potential bike damage. • -Engineered to assault today's tracks and trails • -Larger diameter aluminum canister for more tunability and longer lasting packing life. • -Delivers a crisp, notable sound. • -Pounds Lighter than stock. • -Complete Aluminum and Stainless Steel construction • -Optimally designed to complement performance of FMF pipes; works and fits FMF or stock. • -Built In-House at FMF state of the art manufacturing facility in the USA
Turbinecore 2.1 025249
Regular price
$269.99
/
025249
Meet the WORLDS bestselling spark arrested exhaust, the TurbineCore 2.1 uses the exclusive "Turbine Dampening System". This top-notch product has well earned its U.S. Forest legal status. The straight through design of the spark arrestor canister and the performance flow stainless steel end cap ensures strength, durability and most importantly, track and trail proven unrestricted power and performance. The Turbinecore 2.1 is the #1 spark arrestor in the world!
• -Race-tested, smooth power curve throughout the RPM range. • -Unrestricted performance unlike other brands that use inserts that can clog up with oil and potential bike damage. • -Engineered to assault today's tracks and trails • -Larger diameter aluminum canister for more tunability and longer lasting packing life. • -Delivers a crisp, notable sound. • -Pounds Lighter than stock. • -Complete Aluminum and Stainless Steel construction • -Optimally designed to complement performance of FMF pipes; works and fits FMF or stock. • -Built In-House at FMF state of the art manufacturing facility in the USA