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KTM 450 SX-F Mufflers & Resonators

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Results 1 - 9 of 9

FMF Racing Factory 4.1 RCT Slip-On Mufflers

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

$494.99

$769.49

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FMF Racing Factory 4.1/MegaBomb Exhaust Systems

FMF Racing Factory 4.1/MegaBomb exhaust systems are the lightest full exhaust systems available that provide superior power and performance in all rpm ranges. Designed to give you the best possible handling through a centralized mass, they're constructed from aerospace-grade titanium that's available in a natural or anodized blue finish. They meet AMA sound requirements and have spark arrestor modules available separately. If you're looking for a light, high-quality full exhaust system for your ride, look no further than FMF Racing Factory 4.1/MegaBomb exhaust systems.

Not Yet Reviewed

$944.99


$709.50

FMF Racing Powercore 4 Slip-On Mufflers

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.

5.0 out of 5 stars ( 5 )

$359.99

Pro Circuit Racing T-6 Slip-On Mufflers

Inexpensive. Durable. Bolt-on. Those are terms everyone loves to hear when considering parts for a motorcycle. Pro Circuit Racing T-6 slip-on mufflers take it one step further with "Performance!" The aluminum canisters feature an asymmetrical design for increased packing volume, along with a removable spark arrestor approved by the USFS. Precision TIG-welding and a stainless steel midpipe and end cap contribute to the silencer's strength. The T-6s won't pass FIM sound requirements for pro racing in the USA or Europe, but they're a great exhaust option for off-road bikers on a small budget. Bolt one onto your stock headpipe and hit the trails with renewed giddy-up!

4.33 out of 5 stars ( 3 )

$590.95

FMF Racing Spark Arrestor Quiet Inserts

FMF Racing spark arrestor quiet inserts lower decibels and traps hot exhaust particles. They are quick and easy to install, and will include quiet spark arrestor insert and spiral retaining ring.

Not Yet Reviewed

$35.99

FMF Racing Q4 Series Slip-On Mufflers

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!

5.0 out of 5 stars ( 1 )

$404.99

Yoshimura Spark Arrestor Kits

Yoshimura offers spark arrestor kits for a variety of powersports vehicles, including ATVs, UTVs, off-road and street bikes from brands such as Honda©, CAN-AM, Suzuki, Yamaha, Arctic Cat, Gas Gas, Kawasaki, Husqvarna, and KTM. These replacement USFS-approved spark arrestors are designed for different off-road mufflers, such as RS-2 and RS-4. Most kits include a spark arrestor insert, end-cap collar, and set screw. Spark arrestors are mechanical muffler accessories that trap or destroy hot exhaust particles expelled from an internal combustion engine. Since spark arrestors have prevented many fires, laws were subsequently passed to require spark arrestors on certain types of engines.

Not Yet Reviewed

$44.95

FMF Racing Powercore 4 Hex Slip-On Mufflers

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

$494.99

FMF Racing Q4 Hex S/A Slip-On Mufflers

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

5.0 out of 5 stars ( 1 )

$512.99

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