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= Normally ships the same business day
= Special order, ships in 4 to 7 business days
= On backorder from the manufacturer
PowerParts Exhaust 4-Stroke Silencers - Larger Images |
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FMF Factory 4.1 RCT Muffler 79005079500 / UPP1505030 **Exclusive muffler for KTM PowerParts used by Troy Lee and BTO KTM teams** |
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The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology 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 2.6 lbs. lighter on 450 SX-FCan 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. |
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FMF Powercore 4 Muffler 79605981000 / SXS13450513 |
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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.
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Akrapovic "Slip-on Line" 79005979000 / 79405979100 |
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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. |
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Akrapovic Slip-on Silencer (50-State legal) 79605979000 |
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Akrapovic "Slip-on Line" Titanium 78105982000 |
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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. |
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Akrapovic "Slip-on Line" Titanium - SXS10450512 |
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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. |
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Akrapovic "Evolution Line" Silencer SXS11250502 / SXS11450502 |
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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 |
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Akrapovic "Evolution Line" Silencer SXS12250512 |
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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. |
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FMF Powercore 4 Muffler SXS13450513 |
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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.
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| Exhaust Accessories ----------------------------------------- |
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| Exhaust Plug 59512030200 |
Exhaust Hardware Kit 00050000811 |
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Exhaust Hardware Kit 00050000814/815/819 |
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