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2012 KTM 450SXF

FMF Factory 4.1 Titanium Slip-On RCT With Titanium Megabomb Header And Carbon Fiber End Cap

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FMF Factory 4.1 Titanium Slip-On RCT With Titanium Megabomb Header And Carbon Fiber End Cap - Main

Product Description

This FMF Exhaust System includes the following:

FMF Titanium Factory 4.1 Slip-On RCT:

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. It starts at the center with a new core - a patent pending shape enhances and refines the exhaust pressure wave for optimal power output while lowering the sound level. In addition, it achieves a shorter overall length that is less susceptible to crash damage and complementary to the Factory Forward Engineering - moving the muffler closer to the motor to centralize mass. Visible changes to the exterior include a redesigned canister to increase internal capacity for the maximum volume of packing material. The packing itself was not overlooked - a proprietary blend formulated for superior durability and sound attenuation. The final component is a new rear endcap engineered for simple tuning adjustments incorporating a snap ring feature to secure the standard and optional inserts. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet FMF's exacting specifications and 100% manufactured at their Southern California factory.

  • Massive Power gains throughout the RPM range.
  • Quieter than stock.
  • Huge weight savings.
  • New RTS (Rapid Tuning System) makes for easy sound insert changes as well as adding US Forestry Approved Spark Arrestor.
  • Can be used with FMF header or stock.
  • No. 1 Exhaust in 2011 Supercross Series, 2011 Motocross Series, 2011 Motocross of Nations and 2011 Monster Energy Cup!

Megabomb Header:

The science behind the Megabomb header may be FMF's greatest engineering accomplishment to date. You can bolt on a Megabomb for as much as a 3 hp boost, plus the Megabomb actually reduces noise levels by as much as 1.5 dB. 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 1.5 dB.
  • Increases output from stock motor as much as 3 HP, alone.
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kawix2 1 month 18 days ago
Is the silencer blue anodized like the picture or just titanium color?
MotoSport Staff Expert
1 month 18 days ago Location: Portland, OR, USA
This would be the blue anodized muffler just like shown in the image. We also offer the non-anodized Factory 4.1 RCT System, you can find it here: http://www.motosport.com/dirtbike/FMF-ALUMINUM-FACTORY-41-SLIPON-RCT-WITH-TITANIUM-MEGABOMB-HEADER-AND-CARBON-FIBER-END-CAP
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