In Stock

HON CRF125F'19-26 P-CORE 4 MFLR 041581

041581

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

BEAST MODE HOODY

SU25121901BLKXXL

• 80% Cotton /20% Polyester Pullover Hoody 
• ET3 Style 

ISDE TEAM 2025 TEE- Proceeds Directly To TEAM USA

SU25118917BLKM

• Support 2025 Team USA For The ISDE In Italy 
• All Proceeds Will Go Directly To The Team 
• AMA Team USA Logo 
• 100% Cotton 
• Soft Hand Print 

Powercore 2.1 025294

025294

FMF is about moving forward...faster. The all new PowerCore 2.1 silencer is proof FMF is totally committed to 2-stroke progression. FMF loves 2-strokes, they ride 2-strokes, and they are devoted to delivering superior power to the 2-stroke faithful.

• -Race-tested, smooth power curve throughout the RPM range.
• -Engineered to assault today's tracks and trails
• -Larger diameter canister for more tunability and longer lasting packing life.
• -Delivers a crisp, notable sound.
• -Lighter than stock.
• -Optimally designed to complement performance of FMF pipes; works and fits FMF or stock.

KAW KLX140/L/G'08-25 P-CORE 4 MFLR 042160

042160

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

FMF POWERCORE Sand Goggle - Smoke

F-50440-SMCOBLKSMOADULT

•    Special closed-cell foam keeps out fine dust and sand particles

•    Smoke anti-fog coated polycarbonate lens

•    Dual layer face foam manages sweat

•    40mm wide silicon coated strap keeps goggles in place

•    9 retention points secure lens in frame

•    Supports triple post tear-offs

•    All adult FMF goggles share the same lens and tear-offs

FMF POWERBOMB Sand / Desert Goggle - Smoke

F-50201-SMROBLUSMOADULT

•    Special closed-cell foam keeps out fine dust and sand particles

•    Removeable nose guard deflects roost and debris

•    Smoke anti-fog coated polycarbonate lens

•    Spare clear lens included

•    Triple layer moisture managing face foam soaks up sweat

•    45mm Ultra-wide silicon coated strap ensures a secure fit

•    9 retention points secure lens in frame

•    All adult FMF goggles share the same lens and tear-offs

FMF POWERCORE 2.1 MYLAR DECAL REPLACEMENT 014826

014826

Factory Fatty 025287

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

TRACKSIDE TEE

SU25118910BLKXL

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

SPEEDWAYS TEE

SP25118908BLKS

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

WALDEN HAT

FA24196905BLKOS

• 5 Panel  Snapback 
• Sport Mesh on Back Panels
• Rubber Front Patch 
• FMF Woven Label at Snap Closure 

HOLD FAST TEE

FA24118913NATL

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

FMF POWERBOMB Film System Replacement 45mm Film Kit Multipack

F-51122NOC6PK

•    45mm film rolls

•    Sold in packs of 6

•    Fits adult and youth film system

RIDE BAD FAST TEE

HO24118909BLKXL

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

FMF ORIGINS Sunglass

F-61504MBLKMISILOS

- 100% UV protection

- Lightweight, durable nylon frame

- High impact resistant and shatter proof polycarbonate lenses

- Comes with a microfibre cleaning pouch

- Matte Crystal Rootbeer Color  has a polarised lens

FMF TEAM FENDER STICKERS 5" (4 PCS) 014835

014835

BRIGHTER DAYS TEE

SP25118907NVYS

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

FMF PIT STOP Sunglass

F-61507MBFDSMOOS

- 100% UV protection

- Lightweight, durable nylon frame

- High impact resistant and shatter proof polycarbonate lenses

- Comes with a microfibre cleaning pouch

FMF RETRO FACTORY 4.1 RCT REPLACEMENT WRAP DECAL 014855

014855

FMF YZ250 99-26 PIPE SPRING & O-RING KIT P/N 011318 011318

011318

B3AR S/S TEE

SU25118912BLKS

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

CONSTANT TEE

HO24118902NVYS

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 045669

045669

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

FMF BIG DON FRONT FENDER STICKER KIT 014802

014802

2 STROKES TEE

HO24118904BLKS

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

FEATHERWEIGHT TEE

SP25118901BLKS

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

RIDE BAD FAST / YOUTH

FA2419491BLKS

• FMF X Mendid Underwear
• 90% Poly 10% Spandex
• YS=6-8, YM=8-10, YL=10-12

PowerCore 2 025225

025225

The infamous Powercore 2 is the measure which others aim for. With its lightweight extruded aluminum oval canister mated to a perforated core, this silencer is above the competition. The Powercore 2 silencer provides a strong performance edge for any 2-stroke machine and the performance flow end cap and front stinger are stainless steel for unbeatable durability and an unmatched look.

Fatty 025288

025288

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

AIR FRESHENER PARTY PACK

HO24194910NOCOS

• Air Freshener 3 Pack
• Classic FMF Logo , 4.1 , 2 Stroke 

FMF ASSORTED STKR SHEET 014800

014800

FMF POWERCORE 4 2-PART WRAP LOGO DECAL REPLACEMENT 012637

012637

Muffler decals peeling off or just need a freshen up? We now offer replacement decals for most model exhausts!

MISSION TEE

SP24118911MRNL

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

THE BASICS TEE

SP25118903NVYM

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

SPEED METAL TEE

SP25118904MARS

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

TI 4 / FACTORY 4 REPLACEMENT SPRINGS AND CLIPS 040186

040186

TRADEMARKS TEE

SP25118915BLKL

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

FMF HEX Q4 WRAP LOGO ALUMINUM DECAL REPLACEMENT 014843

014843

Muffler decals peeling off or just need a freshen up? We now offer replacement decals for most model exhausts!

FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP 045648

045648

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

-See Features Tab -> Fitment for header compatibility 

KAW KLX140/L/G'08-25 P-CORE 4 S/A MFLR 042161

042161

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 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP 045680

045680

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.

-Available in Natural Aluminum Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.

-See Features Tab -> Fitment for header compatibility 

FMF KTM 125-300 '05-26 O-RING REBUILD KIT P/N 014803 014803

014803

FMF SPARK Sunglass

F-61505MBLKSMOOS

- 100% UV protection

- Lightweight, durable nylon frame

- High impact resistant and shatter proof polycarbonate lenses

- Comes with a microfibre cleaning pouch

FMF POWERBOMB YOUTH Goggle - Mirror

F-50300-MIROBLKMISILYOUTH

•    Anti-fog coated polycarbonate lens for clear vision

•    Triple layer moisture managing face foam soaks up sweat

•    45mm Ultra-wide silicon coated strap ensures a secure fit

•    9 retention points secure lens in frame

•    All youth FMF goggles share the same lens and tear-offs

Q4 HEX S/A 045685

045685

FMF is the leader in high performance quiet technology and our Q4 HEX is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!

-Less sound equals more ground

-Meets USFS and FIM World Enduro sound regulations

-Power gains throughout the entire rpm range

-Spark arrestor included

-Pounds lighter than stock

-Rugged design for off-road endurance

-Only US manufacturer to offer dedicated quiet exhaust systems

-MADE IN THE USA

-See Features Tab -> Fitment for header compatibility 

JAWS ADULT TEE

SU25118920BLKS

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

FMF 4-STROKE 70MM STAINLESS STEEL SWIVEL SPRING KIT P/N 011396 011396

011396

Shorty 025259

025259

Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inner core length and aluminum canister. This design results in a finely tuned bolt on performance silencer that maximizes bottom and mid rpm power. An excellent choice for tight tracks and supercross track applications.

TOMAC HORIZON HAT

SP25196913BLKOS

• 5 Panel Sport Mesh Snapback
• Front Embroidery
• FMF Woven Label at Snap Closure

KAW KLX110/L'02-25/SUZ DRZ110'03-05 P-CORE 4 MFLR W/SS HEADER 042005

042005

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

Titanium Powercore 2.1 025295

025295

VISION TEE

FA24118901NVYS

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

FMF 5" OVAL STICKER (YEL/RED) (25 PACK) 012482

012482

FMF X MOTOMEMESS X ZACHO TEE

FA24118914BLKS

• Tendy Shack Graphic FMF x MotoMess x Zacho 
• 100% Cotton
• All Proceeds go directly to Supporting The Kurt Caselli Foundation

Factory Fatty 025222

025222

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 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP 044453

044453

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.

-Available in Natural Aluminum Muffler with Carbon End Cap 

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.

-See Features Tab -> Fitment for header compatibility 

MIRROR POM BEANIE

HO24191900BLKOS

• 6 Seam Cuff Beanie With Pom
• 100% Acrylic Yarn 
• Logos Knit Into Body 
• Woven Label On Front Cuff 

WEEKENDER TEE

SP25118911BLKS

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

RIDE BAD FAST HAT

FA24196908REDOS

• 5 Panel Trucker Snapback 
• Front Patch 
• FMF Woven Label at Snap Closure 

Gnarly 025242

025242

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

HON CRF250F'19-25 P-CORE 4 S/A MFLR 041584

041584

When designing the PowerCore4, we looked at our top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won’t break the bank.

-Overall increase in power and torque

-Durable stainless steel and aluminum construction

-Advanced packing material for maximum longevity

-Champagne color anodized can

-Removable spark arrestor included

-Optional 96dB quiet insert available

WORLD FAMOUS CREW

HO24121900GHRXL

• 80% Cotton /20% Polyester Pullover Crew Fleece  
• Classic FMF Style

YZ250F'06-11/YZ450F'06-09 ALUM. MFLR. SLEEVE 040652

040652

Mid pipe aluminum sleeve worn out? We now offer a replacement aluminum inlet sleeve for most models.

FMF STARS AND STRIPES UMBRELLA (RED/BLUE) 013912

013912

Factory Fatty 024056

024056

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

RCT S/S REPLACEMENT END CAP KIT 040641

040641

·Now offering complete end cap rebuild kits. Whether it be for a Powercore 4, Q4, Factory 4.1 or the new RCT we have you handled. The kit includes Stainless Steel, Titanium, or Carbon Fiber (RCT Only) end cap, 3/16 stainless steel rivets, and strap mounts to secure end cap to canister.

Factory Fatty 024073

024073

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

ET3 FLAG TEE

SU25118919BLKS

• 100% Soft Spun Cotton S/S Tee
• Soft Hand Plastisol Print
• Premium Fit

FMF P-CORE4 ALUMINUM PATRIOTIC DECAL REPLACEMENT 014846

014846

Powercore 2.1 025291

025291

FMF is about moving forward...faster. The all new PowerCore 2.1 silencer is proof FMF is totally committed to 2-stroke progression. FMF loves 2-strokes, they ride 2-strokes, and they are devoted to delivering superior power to the 2-stroke faithful.

• -Race-tested, smooth power curve throughout the RPM range.
• -Engineered to assault today's tracks and trails
• -Larger diameter canister for more tunability and longer lasting packing life.
• -Delivers a crisp, notable sound.
• -Lighter than stock.
• -Optimally designed to complement performance of FMF pipes; works and fits FMF or stock.

FMF YZ125 89-21/YZ125X 20-22 PIPE SPRING & O-RING KIT P/N 011315 011315

011315

Factory Fatty Rev Pipe 024078

024078

Shorty 024015

024015

Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inner core length and aluminum canister. This design results in a finely tuned bolt on performance silencer that maximizes bottom and mid rpm power. An excellent choice for tight tracks and supercross track applications.

FMF CR250 92-07 PIPE SPRING & O-RING KIT P/N 011307 011307

011307

FACTORY 4.1 RCT TITANIUM ANODIZED FULL SYSTEM W/ CARBON END CAP 044478

044478

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.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.