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Aftermarket Exhaust Products
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    Availability Guide: If you order an item that is not in stock, we will not charge your card until the order is ready to ship.

      = Normally ships the same business day     = Special order, ships in 4 to 7 business days    = Backordered from supplier
  PowerParts Exhaust - 4-Stroke Silencers Cost Add To Cart
FMF Factory 4.1 RCT Muffler
79005079500 - Fits KTM 250/350/450 SX-F/XC-F 2016-18
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UPP1505030 - Fits KTM 250/350/450/500/530 XCF-W 2008-16,
UPP1505030 - Fits KTM 250/350/450/500 SX-F/XC-F 2007-15

$499.99
EACH
 

FMF Factory 4.1 RCT Muffler
UPP1505040 - Fits KTM 250/350/450/500/530 XCF-W 2008-16,
                     Fits 250/350/450/500 SX-F/XC-F 2007-15
$413.99
 
FMF Powercore 4 Muffler
79605981000 (in stock) - Fits KTM 250/350/450 SX-F/XC-F 2016-18
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SXS13450513 - Fits KTM 250/350/450/500/530 XC-W 2008-16,
SXS13450513 - Fits KTM 250/350/450/505 SX-F/XC-F 2007-15

$329.99
EACH
 

Akrapovic "Slip-on Line"
79005979000 - Fits KTM 250 SX-F/XC-F 2016-18
79405979100 - Fits KTM 350/450 SX-F/XC-F 2016-18

$649.99
EACH
 

Akrapovic Slip-on Silencer - Titanium 50-State Legal
79605979000 - Fits KTM 250/350/450/500 EXC-F 2017\x9618
$699.99
 
Akrapovic "Slip-on Line" - Titanium 50-State Legal
78105982000 - Fits KTM 350/500 EXC USA 2012-16
$699.99
 
Akrapovic "Slip-on Line" - Titanium
SXS10450512 - Fits KTM 250/350/450/500/530 XCF-W 2008-16,
SXS10450512 - Fits KTM 250/350/450/505 SX-F/XC-F 2007-15
Instructions
$599.99
 
Akrapovic "Evolution Line" Silencer
SXS11250502 - Fits KTM 250 SX-F 2006\x9612 Instructions
SXS11450502 - Fits KTM 350 SX-F/XCF-W 2011\x9612, 450/505 SX-F 2007\x9612
SXS11450502 -
Instructions
$699.99
EACH
 

Factory Silencer Titanium
SXS12250512 - Fits KTM 250 SX-F/XC-F/XCF-W 2012\x9613
Instructions
$699.99
 
FMF Powercore 4 Muffler
SXS13450513 - Fits KTM 250/350/450/505 SX-F/XC-F 2007\x9615,
SXS13450513 - 250/350/400/450/500/530 XC-W 2008\x9615
$329.99
 
  PowerParts Exhaust - Accessories  Cost Add To Cart
Exhaust Plug
For internal diameters 37 mm - 62 mm.
Keeps water out of the silencer during cleaning.
7901203000004
$6.99
 
Exhaust Hardware Kit
00050000811 - Fits all KTM 125-300 2-Stroke 2005\x9618
$101.99
 
Exhaust Hardware Kit
00050000819 - Fits KTM 250/350/450 SX-F 2016-18 $75.09
00050000814 - Fits KTM 250/350 SX-F/XC-F 2011\x9615, 450 SX-F 2011\x9612 $87.99

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00050000815 - Fits KTM 450 SX-F/XC-F 2013-15, and
                       250/350/450/500 XCF-W/EXC-F 2012\x9616 $74.99
Contains exhaust springs, bolts, shims and installation materials. 
$75.09
$87.99
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$74.99

 
 

  Aftermarket Exhaust Products    Go to Item Page 
Go to FMF Products FMF Exhaust Products  
Go to FMF Exhaust Products

Pro Moto Billet Replacement Spark Arrestor End Caps
for a stock exhaust pipe, USFS approved.


Go to Pro Moto Billet End Caps

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  PowerParts Exhaust 4-Stroke Silencers - Larger Images
FMF Factory 4.1 RCT Muffler 79005079500 / UPP1505030
**Exclusive muffler for KTM PowerParts used by Troy Lee and BTO KTM teams**

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology\x99 both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering .

  Moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at FMF's Southern California factory.
  Blue Anodized Titanium Muffler with Carbon End Cap
  New RTS (Rapid Tuning System)
  FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.
  When paired with titanium head and mid pipe weight savings =  2.5lbs lighter on 16' 250 SX-F and 2.6lbs lighter on 450 SX-F
Can be used with FMF or Stock OEM Header. Recommended mapping spec available for 450 SX-F. (available from authorized KTM Dealer)
Closed Course Competition Use Only.
FMF Factory 4.1 RCT Muffler UPP1505040
**Exclusive muffler for KTM PowerParts used by our factory offroad team.**
The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology\x99 both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering

  Moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at FMF's Southern California factory.
  Natural Titanium Muffler with Titanium End cap
  New RTS (Rapid Tuning System)
  Significant weight savings
  FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.
Can be used with FMF or Stock OEM Header. Closed Course Competition Use Only.
FMF Powercore 4 Muffler 79605981000 / SXS13450513
This FMF slip-on main silencer is made from the highest quality materials, and not only stands out from the standard silencer with its appearance, but has been optimally adapted in terms of torque and power to the power characteristic of the series engine.

Installation only possible in combination with original manifold.
 
Closed Course Competition Use Only.

 

Akrapovic "Slip-on Line" 79005979000 / 79405979100
This Akrapovic slip-on main silencer offers more power and torque, uncompromising race looks, significant weight saving.
The advantages:
  Improved torque curve combined with easily rideable peak power
  Made from high-grade titanium
  Weight savings: approx. 1 lb.
  Nano coated against oxidation and baked on dirt
  Fixed welded attachment
  Tuned to comply with the currently valid FIM noise regulations
  Akrapovic logo sticker on main silencer
Closed Course Competition Use Only.
Akrapovic Slip-on Silencer (50-State legal) 79605979000
 
Akrapovic "Slip-on Line" Titanium 78105982000
Akrapovic silencers have been conceived for off-road riders who are looking for the best exhaust systems available on the aftermarket and who know how optimum power development can best be achieved on the trail. The benefits:
  Optimum power development throughout the rev range
  Highest quality workmanship
  Carbon clamps and carbon end cap
  Tuned for compliance with the latest applicable sound regulations
Combined with the original header, this Akrapovic silencer is 50-state compliant and meets US on-road homologation requirements.
Akrapovic "Slip-on Line" Titanium - SXS10450512

 
This Akrapovic slip-on main silencer offers more power and torque, uncompromising race look and a substantial saving in weight.
The advantages:
  Improved torque curve combined with easily rideable peak power
  Made from high-grade titanium
  Weight savings: approx. 0.8lbs.
  Nano coated against oxidation and baked on dirt
  Fixed welded attachment
  Tuned to comply with the currently valid AMA noise regulations
  Akrapovic logo sticker on main silencer
Can only be fitted in combination with original header.
Closed Course Competition Use Only.
Akrapovic "Evolution Line" Silencer SXS11250502 / SXS11450502

These silencers have been conceived for motocross and enduro riders who are looking for the best exhaust systems available on the aftermarket and who know how optimum power development can best be achieved on the motocross track or in enduro use. The hexagonal silencer is a perfect match for the sharp lines of the KTM. The benefits:
  Higher top speed
  Optimum power development throughout the rev range
  Highest quality workmanship
  Carbon clamps and carbon end cap
  Tuned for compliance with the latest applicable noise regulations
With removable noise reduction insert. KTM recommend use in combination with a factory header for even better rideability and performance. Can only be fitted in combination with stainless steel or titanium factory header. Closed Course Competition Use Only

Akrapovic "Evolution Line" Silencer SXS12250512
This silencers have been conceived for motocross and enduro riders who are looking for the best exhaust systems available on the aftermarket and who know how optimum power development can best be achieved on the motocross track or in enduro use. The hexagonal silencer is a perfect match for the sharp lines of the KTM. The benefits:
  Higher top speed
  Optimum power development throughout the rev range
  Highest quality workmanship
  Carbon clamps and carbon end cap
  Tuned for compliance with the latest applicable noise regulations
With removable noise reduction insert.
KTM recommend use in combination with a factory header for even better rideability and performance.
Can only be fitted in combination with stainless steel or titanium factory header. Closed Course Competition Use Only.
FMF Powercore 4 Muffler SXS13450513
This FMF slip-on main silencer is made from the highest quality materials, and not only stands out from the standard silencer with its appearance, but has been optimally adapted in terms of torque and power to the power characteristic of the series engine.

 Installation only possible in combination with original manifold.
Closed Course Competition Use Only.
 

 

 

59512030200 / 00050000811

Exhaust Accessories  ----------------------------------------------------------------
Exhaust Plug 59512030200 Exhaust Hardware Kit 00050000811
Exhaust Hardware Kit 00050000814/815/819