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Go to BlueRibbon Coalition Website
 
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

450 SX-F 2007-15, 450 XC / XC-W / XC-F / XCF-W 2008-15, 450 EXC 2008-11
    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 Mufflers - KTM 450 SX-F/XC/XC-W/XC-F/XCF-W

Cost

Add To Cart

Factory 4.1 RCT Titanium Blue Anodized SL (Slip-On) w/Carbon Cap
KTM 450 SX-F 2007-15, 450 XC/XC-W/XC-F/XCF-W 2008-15, 450 EXC 2008-11
FMF-045561
$449.99
MSRP $499.99
 
Notice: Closed Course Use Only - Item ID: 045561, Type: Slip-On, Configuration: Single, Const: Titanium, Finish: Blue Anodized,
Midpipe: Titanium, Endcap: Carbon, Spark Arrestor: Screen Insert (included), Quiet Insert: 94dB Insert (included), Weight: 4 lbs.
 CLOSEOUT!  Titanium 4.1 RCT Blue Anodized SL
KTM 450 SX-F 2007-15, 450 XC/XC-W/XC-F/XCF-W 2008-15, 450 EXC 2008-11
FMF-045560

$384.99
MSRP $449.99
 
Quantity: 1
Type: Slip-On, Configuration: Single, Const: Titanium, Finish: Blue Anodized, Midpipe: Titanium, Endcap: Titanium,
Spark Arrestor: Screen Insert (included), Quiet Insert: 94dB Insert (included), Weight: 4.2 lbs. (use with FMF or Stock OEM Header)
Factory 4.1 RCT Titanium SL (Slip-On)
KTM 450 SX-F 2007-15, 450 XC/XC-W/XC-F/XCF-W 2008-15, 450 EXC 2008-11
FMF-045559
$404.99
MSRP $449.99
 
Notice: Closed Course Use Only - Item ID: 045559, Type: Slip-On, Configuration: Single, Const: Titanium, Finish: Natural,
Midpipe: Titanium, Endcap: Titanium, Spark Arrestor: Screen Insert (included), Quiet Insert: 94dB Insert (included), Weight: 4.1 lbs.
Factory 4.1 RCT Stainless SL (Slip-on) w/ Carbon Cap
KTM 450 SX-F 2007-15, 450 XC/XC-W/XC-F/XCF-W 2008-15, 450 EXC 2008-11
FMF-045558
$359.99
MSRP $399.99
 
Notice: Closed Course Use Only - Item ID: 045558, Type: Slip-On, Configuration: Single, Const: Aluminum, Finish: Natural,
Midpipe: Stainless Steel, Endcap: Carbon, Spark Arrestor: Screen Insert (included), Quiet Insert: 94dB Insert (included), Weight: 4.4 lbs.
 CLOSEOUT!  Aluminum Factory 4.1 RCT SL Stainless Steel Endcap
KTM 450 SX-F 2007-15, 450 XC/XC-W/XC-F/XCF-W 2008-15, 450 EXC 2008-11

FMF-045557

$319.99
MSRP $374.99
 
Quantity: 1
Type: Slip-On, Configuration: Single, Const: Aluminum, Finish: Natural, Midpipe: Stainless Steel, Endcap: Stainless Steel,
Spark Arrestor: Screen Insert (included), Quiet Insert: 94dB Insert (included), Weight: 4.5 lbs. (use with FMF or Stock OEM Header)
Q4 Hex S/A
KTM 450 SX-F 2007-15, 450 XC/XC-W/XC-F/XCF-W 2008-15, 450 EXC 2008-11
FMF-045556
$341.99
MSRP $379.99
 
Notice: Closed Course Use Only - Item ID: 045556, Type: Slip-On, Configuration: Single, Const: Aluminum, Finish: Natural,
Midpipe: Stainless Steel, Endcap: Stainless Steel, Spark Arrestor: Screen Insert (included), Quiet Insert: 94dB Insert (included),
Weight: 4.9 lbs.
Powercore 4 Hex
KTM 450 SX-F 2007-15, 450 XC/XC-W/XC-F/XCF-W 2008-15, 450 EXC 2008-11
FMF-045553
$287.99
MSRP $319.99
 
Notice: Closed Course Use Only - Item ID: 045553, Type: Slip-On, Configuration: Single, Const: Aluminum, Finish: Natural,
Midpipe: Stainless Steel, Endcap: Stainless Steel, Spark Arrestor: Screen Insert (included), Quiet Insert: Quiet Insert (sold separately), Weight: 4.6 lbs
FMF Turn Signal Friendly Mufflers

Cost

Add To Cart

Factory 4.1 RCT Titanium SL (Slip-On) (Turn Signal Friendly Muffler)
KTM 450 SX-F 2007-15, 450 XC/XC-W/XC-F/XCF-W 2008-15, 450 EXC 2008-11
FMF-045474

$404.99
MSRP $449.99

 
Notice: Closed Course Use Only - Item ID: 045474, Type: Slip-On, Configuration: Single, Const: Titanium, Finish: Natural,
Midpipe: Titanium, Endcap: Titanium, Spark Arrestor: Screen Insert (included), Quiet Insert: 94dB Insert (included), Weight: 4.5 lbs.
Q4 Hex S/A (Turn Signal Friendly Muffler)
KTM 450 SX-F 2007-15, 450 XC/XC-W/XC-F/XCF-W 2008-15, 450 EXC 2008-11
FMF-045442

$341.99
MSRP $379.99

 
Notice: Closed Course Use Only - Item ID: 045442, Type: Slip-On, Configuration: Single, Const: Aluminum, Finish: Champagne Anodized,
Midpipe: Stainless Steel, Endcap: Stainless Steel, Spark Arrestor: Screen Insert (included), Weight: 5.0 lbs.
Aluminum 4.1 RCT w/ Stainless Steel Endcap (Turn Signal Friendly Muffler)
KTM 450 SX-F 2007-15, 450 XC/XC-W/XC-F/XCF-W 2008-15, 450 EXC 2008-11
FMF-045472

$337.99
MSRP $399.99

 
Notice: Closed Course Use Only - Item ID: 045472, Type: Slip-On, Configuration: Single, Const: Aluminum, Finish: Natural,
Midpipe: Stainless Steel, Endcap: Stainless Steel, Spark Arrestor: Screen Insert (included), Quiet Insert: 94dB Insert (included),
Weight: 4.8 lbs.
FMF Headers

Cost

Add To Cart

  Fits KTM 450 XC-W 2012-15

MegaBomb Titanium
Fits KTM 450 XC-W 2012-16
FMF-045458
$449.99
MSRP $549.99
 
Notice: Closed Course Use Only - Item ID: 045458, Type: Header, Header Const: Titanium, Header Type: MegaBomb,
Fitment: fits FMF silencer only, Weight: 1.6 lbs.
MegaBomb Stainless Steel
Fits KTM 450 XC-W 2012-16
FMF-045457
$382.99
MSRP $474.99
 
Notice: Closed Course Use Only - Item ID: 045457, Type: Header, Header Const: Stainless Steel, Header Type: MegaBomb,
Fitment: fits FMF silencer only, Weight: 2.6 lbs.
Powerbomb Stainless Steel
Fits KTM 450 XC-W 2012-16
FMF-045456
$382.99
MSRP $349.99
 
Notice: Closed Course Use Only - Item ID: 045456, Type: Header, Header Const: Stainless Steel, Header Type: PowerBomb,
Fitment: fits FMF silencer only, Weight: 2.3 lbs.

  Fits KTM 450 SX-F/XC-F 2013-15

Titanium MegaBomb
Fits KTM 450 SX-F/XC-F 2013-15
FMF-045486
$449.99
MSRP $499.99
 
Notice: Closed Course Use Only - Item ID: 045486, Type: Header, Configuration: Single, Header Const: Titanium,
Header Type: MegaBomb, Fitment: fits FMF silencer only, Weight: 1.5 lbs.
Stainless Steel MegaBomb
Fits KTM 450 SX-F/XC-F 2013-15
FMF-045485
$382.99
MSRP $424.99
 
Notice: Closed Course Use Only - Item ID: 045485, Type: Header, Configuration: Single, Header Const: Stainless Steel,
Header Type: MegaBomb, Fitment: fits FMF silencer only, Weight: 2.5 lbs.
Powerbomb Stainless Steel
Fits KTM 450 SX-F/XC-F 2013-15
FMF-045484
$314.99
MSRP $349.99
 
Notice: Closed Course Use Only - Item ID: 045484, Type: Header, Configuration: Single, Header Const: Stainless Steel,
Header Type: PowerBomb, Fitment: fits FMF silencer only, Weight: 2.4 lbs.td>

  Fits KTM 450 SX-F/XC-F 2007-12, 450 XC-F 2009

Stainless Steel MegaBomb
Fits KTM 450 SX-F/XC-F 2007-12, 450 XC-F 2009
FMF-045342
$382.99
MSRP $474.99
 
Notice: Closed Course Use Only - Item ID: 045342, Type: Header, Header Const: Stainless Steel, Header Type: MegaBomb,
Fitment: fits FMF silencer only, Weight: 2.6 lbs.
Powerbomb Stainless Steel
Fits KTM 450 SX-F/XC-F 2007-12, 450 XC-F 2009
FMF-045145
$314.99
MSRP $349.99
 
Notice: Closed Course Use Only - Item ID: 045145, Type: Header, Header Const: Stainless Steel, Header Type: PowerBomb,
Fitment: fits FMF silencer only, Weight: 2.4 lbs.

  Fits KTM 450 XC-W 2008-11

Powerbomb Stainless Steel
Fits KTM 450 XC-W 2008-11
FMF-045196
$314.99
MSRP $349.99
 
Notice: Closed Course Use Only - Item ID: 045196, Type: Header, Header Const: Stainless Steel, Header Type: PowerBomb,
Fitment: fits FMF silencer only, Weight: 2.3 lbs.

Larger Images

Exhaust Products - Larger Images See available FMFApplications
FMF Mufflers  -------------------------------------------------------------------------
FMF-045561 4.1 RCT Titanium Anodized SL w/Carbon Cap FMF-045560 Titanium 4.1 RCT Blue Anodized  SL
FMF-045559 Factory 4.1 RCT Titanium SL (Slip-On) FMF-045558 Factory 4.1 RCT Stainless (Slip-on) w/ Carbon Cap
FMF-045557 Aluminum Factory 4.1 RCT SL Stainless Steel Cap FMF-045556 Q4 Hex S/A
FMF-045553 Powercore 4 Hex
 

FMF-045442 FMF-045474

FMF Turn Signal Friendly Mufflers  ------------------------------------------------
FMF-045474 Factory 4.1 RCT Titanium SL (Slip-On) FMF-045442 Q4 Hex S/A
FMF-045472 Aluminum Factory 4.1 RCT SL Stainless Steel Cap
 

MegaBomb Header

FMF Headers  -------------------------------------------------------------------------

MegaBomb Header

The science behind the MegaBomb header may be FMF's greatest engineering accomplishment to date. You can bolt on a MegaBomb with an existing FMF Racing slip on for as much as a 3hp boost, plus the MegaBomb actually reduces noises levels by as much as 1.5dB. The MegaBomb technology is revolved to produce more low end to mid range gains as well as broadening out the mid to top end power gains over stock. The MegaBomb is best used for Motocross/Supercross and GNCC style trails. Used by Factory Teams, the MegaBomb is the next level technology you can have today.

Produces long header torque and short header over-rev   Reduces sound output as much as 1.5dB   Increases output from stock motor as much as 3hp   Made from premium American TiMetal material.
PowerBomb Header
The redesigned PowerBomb is a four-stroke header that incorporates FMF’s patented PowerBomb module at a precise location in the initial stage of the header. By positioning this “Bomb” at a key point in the system, increased performance and flow is achieved through the expansion and contraction of exhaust sonics through the system. Result is a flow increase of nearly 10%! The outer chamber in the PowerBomb allows the air to expand, cool and ramp back up at a higher velocity. Additionally, the PowerBomb is a “pre-muffler” of sorts which helps to lower the bikes sound output by providing more sound absorbing surface area for the sound medium (exhaust gases). On some models, you can choose between a moto or supercross version. The supercross version is designed for more low to mid-range power where the moto version is focused in the mid to upper RPM range.

 

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.

 
 
 

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