Availability
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 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
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 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 Mini Factory 4.1 exhaust systems are all-out performance systems for play bikes, making you the king of your own little domain and making you look great while doing it. They provide superior power and have a header that's available in titanium or stainless steel. They're customizable with different tuning inserts and spark arrestors. If you want only the best for your mini bike, FMF Racing Mini Factory 4.1 exhaust systems deliver.
Not Yet Reviewed
$368.99
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$413.99
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 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 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
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 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 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
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.
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$269.99
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$341.99
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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$116.99
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.
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$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
FMF Racing 2-stroke performance muffler packing is designed to help restore power to your ride. It's comprised of fine, blended interwoven fiberglass fibers for high-heat resistance and great sound attenuation, as well as optimum performance and longevity. If you've been rocking an FMF Racing muffler, don't forget to repack it with FMF Racing 2-stroke performance muffler packing.
Not Yet Reviewed
$25.19
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
Did you know a freshly packed silencer or muffler actually restores power? FMF Racing 4-stroke race muffler packing is comprised of fine, blended interwoven fiberglass fibers made to FMF's specifications for high-heat resistance and great sound attenuation, as well as optimum performance and longevity. Repack your muffler for renewed performance.
Not Yet Reviewed
$34.19
Restore power to your ride! FMF Racing 4-stroke Performance muffler packing is designed to help. It's constructed from Owens-Corning fiberglass for maximum performance—preventing your exhaust from getting too hot and causing damage. So if you're rocking an FMF muffler, maintain the power and sound you desire with replacement packing, available individually or in a twin-pack.
Not Yet Reviewed
$28.79
FMF Racing's Mini Factory 4.1 slip-on mufflers styling is similar to 4.1 RCT big bike products, with an aggressive look and sound—only lacking the big bike model's internal resonance chamber module. The Factory 4.1 achieves a shorter overall length that is less susceptible to crash damage and complementary to the Factory Forward Engineering, moving mufflers closer to the motor to centralize mass. Visible changes to the exterior include a redesigned canister to increase internal capacity for maximum volume of packing material—which itself is a proprietary blend formulated for superior durability and sound attenuation. The rear endcap has been engineered to provide simple tuning adjustments, incorporating a snap ring feature to secure both the standard and optional inserts. Key features and benefits: * Available in stainless steel or FMFs exclusive Ti-Metal construction * Lightweight—offering huge weight savings * Massive power gains throughout the rpm range * Factory Forward Engineering centralizes mass—improving handling * RTS (Rapid Tuning System) for quick and easy trackside tuning * Tuned exhaust with optimized core specifications for each application * Patented core shape lowers sound level while maintaining maximum power output * Patented canister shape increases internal volume for more sound absorbing material * Quiet insert included (94db) * Removable spark arrestor included on most models * Can be used with FMF or stock OEM header
Not Yet Reviewed
$269.99
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$314.99
FMF Racing TurbineCore silencers offer lightweight, compact power. Featuring their exclusive Turbine Dampening System, they are US Forest approved. Handcrafted TurbineCore silencers will make your older race machines US Forest legal and will give them an updated factory look and sound. And, since there are no rivets to drill out, re-packing is easy. Put them on and leave them on--TurbineCore silencers from FMF Racing.
Not Yet Reviewed
$197.99
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