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Time flies when you’re going fast! FMF Exhaust started life as the Flying Machine Factory way back in 1973. Today FMF manufactures exhaust products for dirt bikes and...
Time flies when you’re going fast! FMF Exhaust started life as the Flying Machine Factory way back in 1973. Today FMF manufactures exhaust products for dirt bikes and ATVs that deliver optimized flow for improved horsepower and torque. FMF 2-stroke expansion chambers and 4-stroke header pipes are built by hand using quality materials to withstand anything the track or trail can dish out. Plus, FMF offers exhaust system accessories like slip-on mufflers, heat shields, silencers, spark arrestors, and more, all designed to help you get the most out of every ride. Shop Summit Racing’s complete selection of FMF Exhaust products...
Time flies when you’re going fast! FMF Exhaust started life as the Flying Machine Factory way back in 1973. Today FMF manufactures exhaust products for dirt bikes and ATVs that deliver optimized flow for improved horsepower and torque. FMF 2-stroke expansion chambers and 4-stroke header pipes are built by hand using quality materials to withstand anything the track or trail can dish out. Plus, FMF offers exhaust system accessories like slip-on mufflers, heat shields, silencers, spark arrestors, and more, all designed to help you get the most out of every ride. Shop Summit Racing’s complete selection of FMF Exhaust products today and get the power and performance you need to ride in front of the competition.
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Delivering race-inspired performance at an economical price, FMF Racing Powercore 4 Hex slip-on mufflers deliver quality with improved torque, increased horsepower, and rugged durability all at a price that won't break the bank. Features: * Overall increase in power and torque * Durable stainless steel and aluminum construction * Space Age internal packing material for maximum longevity * Internal shape of core uses Hi-Flo technology * Enhanced sonic evacuation provides for higher flow and increased power * Includes removable spark arrestor
Not Yet Reviewed
$359.99
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$494.99
FMF Racing Powercore 4 slip-on mufflers are designed for closed course competition. Built to provide you with improved torque, increased horsepower, and rugged durability, they deliver race-inspired performance. They are made of durable stainless steel and aluminum construction, along with advanced packing material for maximum longevity. They also offer an optional 96 dB quiet insert. Get the power you crave for your ride with these FMF Racing Powercore 4 slip-on mufflers.
( 5 )
$188.99
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$359.99
FMF Racing Mini Powercore 4 exhaust systems feature a Hi-Flo stainless steel core and formed end caps, an aircraft-grade aluminum canister, and a durable stainless steel header. Pounds lighter than your stock exhaust, they will give you the feel of a bored and stroked motor the second you twist the throttle. If you're looking for some new power for your mini, FMF Racing Mini Powercore 4 exhaust systems are the perfect answer.
( 4 )
$251.99
FMF Racing offers mini PowerCore 4 S/A slip-on mufflers for a variety of applications, including select Honda, Kawasaki, and Suzuki off-road bikes from 2003 and up. They're 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. At 2.4 lbs., these mufflers are pounds lighter than stock—and you'll swear the motor has been bored and stroked with the first twist of the throttle. Designed for closed course use. Additional details: * Hi-Flo end cap boosts all-around performance * Computer-designed and dyno-tested for every 4-stroke application * Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power * A stainless steel mid-pipe mates to the computer-designed rear can for lightweight durability * Round perforated steel inner cores make for optimum flow, using Hi-Flo technology
Not Yet Reviewed
$215.99
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$323.99
FMF Racing Factory 4.1 RCT mufflers offer the latest technology inside and out. Hand-built using aerospace-grade materials, they feature Resonance Chamber Technology. FMF's patented core enhances and refines exhaust pressure waves for optimal power output, while lowering the sound levels. Their redesigned canister shape allows for a maximum volume of packing material that's formulated for durability and sound attenuation. Plus, their RTS (Rapid Tuning System) makes for easy sound insert changes, as well as adding US Forestry Approved Spark Arrestors. They're constructed using aerospace-grade materials, run quieter than stock, and gain huge weight savings and massive power throughout the rpm range. FMF Racing Factory 4.1 RCT mufflers--not only do they sound amazing, but look amazing, too!
Not Yet Reviewed
$449.99
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$809.99
FMF Racing is a world leader in high performance quiet technology, and Q4 Series slip-on mufflers are an evolution in exhaust. They employ intricate chambers, baffles, and proprietary multistage packing material, making them the best-performing, quiet mufflers available. They were developed over years of championship off-road racing and are constructed from aircraft-grade aluminum and high-strength stainless steel to bring you superior performance. FMF Racing Q4 Series slip-on mufflers don't make you hear power. They make you feel it!
( 1 )
$404.99
FMF Racing Gnarly pipes add 4-stroke, tractor-like torque to your 2-stroke--and they can withstand harsh elements. They are built from super-strong, 18-gauge steel and nickel plated. The expansion chambers focus on increasing the lower rpm horsepower and torque to get you out of the toughest terrain. If you're looking for more bottom end, these remarkable and outstanding Gnarly pipes from FMF Racing won't let you down!
( 7 )
$269.99
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$341.99
FMF Racing Powercore 2 silencers give your 2-stroke a performance edge. With their lightweight extruded aluminum oval canister mated to a perforated core and hand-built from start to finish, these silencers are laps beyond the competition. Their stainless steel performance flow end cap and front stinger offer not only unbeatable durability, but unmatched looks. Go for more with the bolt-on performance of FMF Powercore 2 silencers.
Not Yet Reviewed
$179.99
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$314.99
Broaden your power band with FMF Racing Fatty pipes. These popular Gold Series pipes broaden and smooth out the power curve, while boosting gains throughout the entire power band for more low-end, mid, and overrev. Fatty pipes are built from carbon steel with a nickel plated finish for maximum durability, and their Tru-Flo stamping process ensures a perfect fit and optimum performance. With more tractable power and improved throttle control, FMF Racing Fatty pipes deliver the race-proven performance you're looking for, no matter what type of riding you do.
( 4 )
$260.99
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$512.99
FMF Racing Powercore 4 spark arrested exhaust systems are designed to increase horsepower and torque, giving you noticeable gains in power. They feature superior packing for maximum packing life, high-flow modular end caps, stainless steel headers, and spark arrestors. And, they enhance sonic evacuation to help provide higher flow and increased power. So, if you're looking to give your ride some extra power, FMF Racing spark arrested Powercore 4 exhaust systems are a great way to do it.
Not Yet Reviewed
$269.99
FMF Racing Powercore 2 shorty silencers offer less weight, more sound, and more performance. Moving on the success of Powercore 2, FMF created their Shorty silencers with a shorter inner core and an aluminum canister hand-built from start to finish. The results are finely tuned bolt-on performance silencers that decrease backpressure in the muffler and maximize throttle response and low-end power. These silencers are an excellent choice for tight tracks and Supercross track applications. Get more from your rides with FMF and Powercore 2 Shorty silencers.
( 2 )
$179.99
FMF Racing PowerBomb header pipes make your race explosive. These redesigned header pipes are 4-stroke headers that locate the FMF patented PowerBomb module at a precise key location in the system. Increased performance and flow are achieved through the expansion and contraction of exhaust sonics through the system by placing the "bombs" just so they offer an increase in flow of about 10 percent. Plus, they act kind of like a pre-muffler, helping to lower your bike's sound output. Add some power to your race bike with PowerBombs from FMF Racing.
( 4 )
$224.99
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$251.99
FMF Racing Powercore 4 exhaust systems are designed to increase horsepower and torque, giving you noticeable gains in power. They feature superior packing for maximum packing life, high-flow modular end caps, and stainless steel headers. They also enhance sonic evacuation that helps to provide higher flow and increased power. So, if you're looking to give your ride some extra power, FMF Racing Powercore 4 exhaust systems are a great way to do it.
Not Yet Reviewed
$251.99
FMF Racing Mini Powercore 4 spark arrested exhaust systems are offered as a closed-course moto muffler or spark arrestor version. Featuring a Hi-Flow stainless steel core and formed end caps, aircraft-grade aluminum canister, and a durable stainless steel header. They are lighter than stock mufflers and provide superior power over stock mufflers as well. So, if you're looking to get some extra power from your mini, bolt on FMF Racing Mini Powercore 4 spark arrested exhaust systems and enjoy the ride!
( 2 )
$269.99
FMF Racing 4-stroke Standard muffler packing is designed to help restore power to your ride. It's constructed from Owens-Corning fiberglass for maximum performance and prevents your exhaust from getting too hot and causing damage. So if you've been rocking a FMF Racing muffler, don't forget to repack it with FMF Racing 4-stroke Standard muffler packing.
( 6 )
$13.49
FMF Racing replacement muffler end caps are offered in a variety of sizes. Each kit will include an end cap and stainless steel rivets.
( 2 )
$31.49
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$114.99
FMF Racing is the leader in high performance quiet technology and their Q4 HEX S/A slip-on mufflers are the next evolution in off-road exhaust. These slip-on mufflers employ intricate chambers, baffles and proprietary multistage packing material which makes them the best performing quiet muffler available. With the Q4 you don't need to hear the power, just feel the power! FMF approached the design process of the Q4 HEX with the goal of achieving more power, while keeping noise levels to a minimum. After countless hours of testing, FMF proved you don't have to settle for a plugged up, horsepower-robbing moto muffler to remain sound compliant. Key features: * Rugged design for off-road endurance * 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
( 1 )
$404.99
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$512.99
FMF Racing MegaBomb header pipes deliver your motorcycle to the next level of technology and power. MegaBomb uses science to gain up to a 3 hp boost with an existing FMF Racing slip, while reducing noise levels by as much as 1.5 dB. Bolt them on and the technology produces more low-end to midrange gains, as well as broadening out the mid to top-end power gains over stock. FMF Racing MegaBomb header pipes are best for Motocross, Supercross, and GNCC-style trails.
Not Yet Reviewed
$337.49
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$472.49
Restore power to your ride! FMF Racing 2-stroke standard muffler packing is designed to help. It is comprised of fine, blended interwoven fiberglass fibers for high heat resistance, great sound attenuation as well as optimum performance and longevity. If you've been rocking a FMF Racing muffler, don't forget to repack it with FMF Racing 2-stroke standard muffler packing.
( 3 )
$9.89
FMF Racing Factory Fatty pipes are a close reincarnation of the "works" pipe used years ago by factory teams, sharing many of the same characteristics, with their craftsmanship and material quality. Designed to broaden and smooth out your entire power band, they give them the benefits you're looking for, no matter what type of riding you do. They feature lighter 20-gauge steel on the body, 19-gauge steel on the header portion, and have hand-pounded seams for smooth flow transition. If you're looking for a great pipe that offers better all-around power, FMF Racing Factory Fatty pipes are the ones for you.
Not Yet Reviewed
$260.99
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$269.99
FMF Racing TurbineCore 2 silencers are one of the most popular and best performing options for riding on the track or trail. These slip-on mufflers feature FMF's exclusive Turbine Dampening System built into their core, a straight-through spark arrestor canister design, and performance flow stainless steel end caps. They have earned US Forest legal status and deliver strength, durability, and, most importantly, track- and trail-proven unrestricted power. For top-notch power and performance, bolt on the best-selling TurbineCore 2 silencers from FMF Racing.
( 1 )
$197.99
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$341.99
FMF Racing offers PowerCore 2 Shorty Big Bore silencers for a variety of applications, including select Kawasaki, Husqvarna, KTM, and Gas Gas off-road bikes from 2002 and up. Perfect for shorter, tight tracks, these powersports mufflers deliver a more immediate burst of power in the low- to mid-RPM range with slightly less over-rev than a longer silencer. They have an aluminum muffler sleeve that delivers an explosive hit and a distinctive sound when the throttle is cracked. PowerCore silencers are ideal for use on extremely tight circuits or anywhere the run up to jumps are shorter than you'd like. Additional details: * The most popular 2-stroke silencers in FMF's arsenal * The elliptically shaped bodies with perforated core perform well in any condition * Equipped with a Performance Flow end cap and nickel-plated front stinger * The FMF Big Bore Shorty Silencer is a specially designed version of the FMF PowerCore 2 that's built for big-bore equipped machines * Only fits machines equipped with FMF pipes * Improves throttle response, quicker revs at lower RPMs * Hi-Flo technology silencer design that's perfectly suited to big-bore engines * Factory performance * Easily serviced for repacking
Not Yet Reviewed
$179.99
Hold onto your exhaust with FMF Racing pipe springs and O-ring kits! These high-quality stainless steel replacements springs include the exhaust o-rings. Replace your old springs with pipe springs and O-ring kits from FMF Racing.
Not Yet Reviewed
$10.79
FMF Racing is about moving forward ... faster! Their all-new Powercore 2.1 shorty silencer is proof that FMF is totally committed to 2-stroke progression. Built to give your 2-stroke machine the power needed to attack tracks built for 4-stroke bikes, these bike mufflers provide a smooth, broad spread of power—and produce a noticeably crisp exhaust note. And, with their lightweight titanium or extruded aluminum oval canisters mated to a perforated core, Powercore 2.1 shorty silencers are above and beyond the competition! Additional features include: * Lighter weight than stock * Larger diameter canister for tenability and long muffler packing life * Race-tested, smooth power curve throughout rpm range * Ideally suited for FMF pipes, silencer also fits machines equipped with the OEM pipe
Not Yet Reviewed
$215.99
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$404.99
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