
FMF Factory 4.1 RCT Full Exhaust for 2018-19 Husqvarna FC450 - 045638
FMF Racing Factory 4.1 RCT Full Exhaust System
Part Number:Â 045638
- Constructed from only aerospace grade materials that meets FMF exact specifications
- Shorter overall length is less susceptible to crash damage
- Shorter length design moves the muffler closer to the motor and improves centralize mass
- Greater canister volume helps reduce sound and increases packing life
- Race team tested and approved
- 100% Made in the USA
​​Massive power gains throughout the RPM range. FMF® uses the highest-quality proprietary blend of alloy titanium made especially to our standards. Complete system includes Titanium/Stainless Steel Megabomb Header. Quieter than stock. Huge weight savings. RTS (Rapid Tuning System) makes for easy sound insert changes as well as adding US Forestry-approved Spark Arrestor.
- Muffler Finish: Polished Aluminum
- End Cap Finish: Carbon Fiber
2019 Husqvarna FX 450
2019 Husqvarna FC 450
2019 Husqvarna FC 450 Rockstar Edition
2018 Husqvarna FC 450 Rockstar Edition
FMF Racing Factory 4.1 RCT Full Exhaust System
Part Number:Â 045638
- Constructed from only aerospace grade materials that meets FMF exact specifications
- Shorter overall length is less susceptible to crash damage
- Shorter length design moves the muffler closer to the motor and improves centralize mass
- Greater canister volume helps reduce sound and increases packing life
- Race team tested and approved
- 100% Made in the USA
​​Massive power gains throughout the RPM range. FMF® uses the highest-quality proprietary blend of alloy titanium made especially to our standards. Complete system includes Titanium/Stainless Steel Megabomb Header. Quieter than stock. Huge weight savings. RTS (Rapid Tuning System) makes for easy sound insert changes as well as adding US Forestry-approved Spark Arrestor.
- Muffler Finish: Polished Aluminum
- End Cap Finish: Carbon Fiber
2019 Husqvarna FX 450
2019 Husqvarna FC 450
2019 Husqvarna FC 450 Rockstar Edition
2018 Husqvarna FC 450 Rockstar Edition
Description
FMF Racing Factory 4.1 RCT Full Exhaust System
Part Number:Â 045638
- Constructed from only aerospace grade materials that meets FMF exact specifications
- Shorter overall length is less susceptible to crash damage
- Shorter length design moves the muffler closer to the motor and improves centralize mass
- Greater canister volume helps reduce sound and increases packing life
- Race team tested and approved
- 100% Made in the USA
​​Massive power gains throughout the RPM range. FMF® uses the highest-quality proprietary blend of alloy titanium made especially to our standards. Complete system includes Titanium/Stainless Steel Megabomb Header. Quieter than stock. Huge weight savings. RTS (Rapid Tuning System) makes for easy sound insert changes as well as adding US Forestry-approved Spark Arrestor.
- Muffler Finish: Polished Aluminum
- End Cap Finish: Carbon Fiber
2019 Husqvarna FX 450
2019 Husqvarna FC 450
2019 Husqvarna FC 450 Rockstar Edition
2018 Husqvarna FC 450 Rockstar Edition


















