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FMF Factory 4.1 RCT Full Exhaust System-Dirtbike Full System Exhaust
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ShareFMF Factory 4.1 RCT Full Exhaust System-Dirtbike Full System Exhaust
Motocross, Compatible with: - Dirtbike Full System Exhaust, Motocross/Dirtbike Full System Exhaust, The MotoSport.com FMF Factory 4.1 RCT Full Exhaust System includes ONE FMF Factory 4.1 RCT Slip-On Exhaust and ONE of your choice of FMF header model, each with the following features:FMF Factory 4.1 RCT Slip-On Exh…
Motocross, Compatible with: - Dirtbike Full System Exhaust, Motocross/Dirtbike Full System Exhaust, The MotoSport.com FMF Factory 4.1 RCT Full Exhaust System includes ONE FMF Factory 4.1 RCT Slip-On Exhaust and ONE of your choice of FMF header model, each with the following features:FMF Factory 4.1 RCT Slip-On Exhaust: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(s) 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.Massive POWER gains throughout the RPM range.Quieter than stock.Huge weight savings.Includes midpipe.Can be used with FMF header or stock.New RTS (Rapid Tuning System) makes for easy sound insert changes as well as adding U.S. Forestry Service Approved Spark Arrestor.#1 Exhaust in AMA Supercross Series, AMA Motocross Series, FIM Motocross of Nations and the Monster Energy Cup!Note: For bikes with dual exhaust systems, this combo only offers the single system conversion, so only ONE slip-on is included.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.Your Choice of FMF Header Model:FMF MegaBomb Header - Titanium or Stainless Steel: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 horsepower boost, plus the MegaBomb actually reduces noise levels by as much as 1.5dB. The FMF MegaBomb header is yet another testament to the continued dedication of FMF to developing the best performing motorcycle exhaust components. Used by Factory Teams, the MegaBomb is the next level technology you can have today.Produces long header torque and short header over-rev.The larger midsection creates a larger surface area for Compatible with:
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Motocross, Compatible with: - Dirtbike Full System Exhaust, Motocross/Dirtbike Full System Exhaust, The MotoSport.com FMF Factory 4.1 RCT Full Exhaust System includes ONE FMF Factory 4.1 RCT Slip-On Exhaust and ONE of your choice of FMF header model, each with the following features:FMF Factory 4.1 RCT Slip-On Exhaust: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(s) 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.Massive POWER gains throughout the RPM range.Quieter than stock.Huge weight savings.Includes midpipe.Can be used with FMF header or stock.New RTS (Rapid Tuning System) makes for easy sound insert changes as well as adding U.S. Forestry Service Approved Spark Arrestor.#1 Exhaust in AMA Supercross Series, AMA Motocross Series, FIM Motocross of Nations and the Monster Energy Cup!Note: For bikes with dual exhaust systems, this combo only offers the single system conversion, so only ONE slip-on is included.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.Your Choice of FMF Header Model:FMF MegaBomb Header - Titanium or Stainless Steel: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 horsepower boost, plus the MegaBomb actually reduces noise levels by as much as 1.5dB. The FMF MegaBomb header is yet another testament to the continued dedication of FMF to developing the best performing motorcycle exhaust components. Used by Factory Teams, the MegaBomb is the next level technology you can have today.Produces long header torque and short header over-rev.The larger midsection creates a larger surface area for Compatible with: