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For over 35 years FMF has delivered superior power and performance to motorcycle enthusiasts around the globe. FMF mufflers are developed over years of championship offroad racing. FMF Racing FMF Exhausts are made in the USA from the highest grade aircraft-spec materials such as titanium, stainless steel and carbon fiber components.

See available FMFApplications

250/300 XC/XC-W 2017-18 (New Frame, New Engine)
    Availability Guide: If you order an item that is on backorder, we will not charge your card until the order is ready to ship.

    = Normally ships the same business day     = Ships in 1 to 2 business days     = On backorder from the manufacturer

FMF Spark Arrestor/Silencers Cost Add To Cart
Titanium Powercore 2.1 (Not a spark arrestor, closed course competition)
Fits KTM 250/300 XC/XC-W 2-stroke 2017-18
FMF-025209

$359.99
MSRP $399.99

 
Item ID: 025209, Type: Silencers, Configuration: Single, Const: Titanium, Finish: Blue Anodized, Midpipe: Titanium, Endcap: Titanium, Weight: 3.1 lbs.
Turbinecore 2.1 Spark Arrestor
Fits KTM 250/300 XC/XC-W 2-stroke 2017-18
FMF-025210

$206.99
MSRP $229.99

 
Item ID: 025210, Type: Silencers, Configuration: Single, Const: Aluminum, Finish: Natural, Midpipe: Stainless Steel,
Endcap: Stainless Steel, Spark Arrestor: Internal
Powercore 2.1 (Not a spark arrestor, closed course competition)
Fits KTM 250/300 XC/XC-W 2-stroke 2017-18
FMF-025208

$179.99
MSRP $199.99

 
Item ID: 025208, Type: Silencers, Configuration: Single, Const: Aluminum, Finish: Natural, Midpipe: Stainless Steel,
Endcap: Stainless Steel
Turbinecore 2 Spark Arrestor
Fits KTM 250/300 XC/XC-W 2-stroke 2017-18
FMF-025207

$143.99
MSRP $159.99

 
Item ID: 025207, Type: Silencers, Spark Arrestor: Internal
KTM PowerParts Exhaust - 2-Stroke Spark Arrestor

Cost

Add To Cart

KTM/FMF Turbinecore 2.1 Silencer Spark Arrestor
Fits KTM 250 SX, 250/300 XC, 300 XC-W/Six Days 2017-18
U.S. Forest Service compliant spark arrestor.
55405981001

$229.99

 
FMF Exhaust Pipes Cost Add To Cart
Fatty Pipe
Fits KTM 250/300 XC/XC-W 2-stroke 2017-18
FMF-025202

$224.99
MSRP $249.99

 
Gnarly Pipe
Fits KTM 250/300 XC/XC-W 2-stroke 2017-18
FMF-025203

$224.99
MSRP $249.99

 
Factory Fatty
Fits KTM 250/300 XC/XC-W 2-stroke 2017-18
FMF-025204

$224.99
MSRP $249.99

 

Larger Images

Exhaust Products - Larger Images See available FMFApplications
FMF Spark Arrestor/Silencers  ------------------------------------------------------

Titanium Powercore 2.1 FMF-025209

Turbinecore 2.1 FMF-025210

Powercore 2.1 FMF-025208

Turbinecore 2 FMF-025207

KTM/FMF Turbinecore 2.1

KTM/FMF Turbincore 2.1 Silencer  ------------------------------------------------

KTM/FMF Turbinecore 2.1 Silencer 55405981001

FMF Turbinecore 2.1 Silencer - KTM POWERPARTS is proud to release the newest generation 2 stroke performance silencers from FMF. The new 2.1 utilizes a new shape inspired from the 4.1 system. Utilizes exclusive FMF "Turbine Dampening System".

U.S. Forest Service compliant spark arrestor.
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.
The Turbinecore 2.1 is the #1 spark arrestor in the world
Closed Course Competition Use Only

Fatty Pipe

2-Stroke Exhaust Pipes --------------------------------------------------------------

Fatty Pipe FMF-025202 - Weight: 4.8 lbs.
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)
  FMF Racing's most popular 2-stroke pipe
  O-Rings Included

Gnarly Pipe FMF-025203 - Weight: 5.3 lbs.
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

Factory Fatty Pipe FMF-025204 - Weight: 4.8 lbs.

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

About FMF ----------------------------------------------------------------------------

Over the decades, FMF seen an amazing transformation in the world of motorcycles and ATVs. The progression of the technology is one of the challenges that keeps FMF going. FMF was there in the days when the single-shock and water-cooled engines were huge innovations and they're glad to be here now for the aluminum chassis and electronic fuel injection. Their goal will never change - take the most advanced machinery to its limit by building the world's best performing exhausts. And its a fact, they build every exhaust by hand from start to finish right here in the U.S.

At the end of the day, there is always one major force keeping them motivated—throwing a leg over the bike and heading for the trails or the track. Their biggest reward for is knowing they're helping customers get the most out of their riding experience. They still ride every chance they get so they never forget why they got into this business in the first place.

History - FMF Racing (Flying Machine Factory) was one of the first aftermarket motorcycle manufacturers, having been started by Don Emler in 1973. From its humble beginnings in Emler's garage, FMF Racing has become 1 of the leaders in manufacturing exhaust pipes, making a number of different pipes for motorcycles and offroad vehicles of all types.