
FMF Factory 4.1 RCT Full Exhaust for 2018-19 KTM 450 SX-F - 045639
FMF Racing Factory 4.1 RCT Full Exhaust System
Part Number: 045639
- 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: Anodized Titanium
- End Cap Finish: Carbon Fiber
2018 Husqvarna FC 450
2019 Husqvarna FC 450
2018 Husqvarna FE 450
2019 Husqvarna FE 450
2018 KTM 450 SX-F Factory Edition
2019 KTM 450 SX-F Factory Edition
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
FMF Racing Factory 4.1 RCT Full Exhaust System
Part Number: 045639
- 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: Anodized Titanium
- End Cap Finish: Carbon Fiber
2018 Husqvarna FC 450
2019 Husqvarna FC 450
2018 Husqvarna FE 450
2019 Husqvarna FE 450
2018 KTM 450 SX-F Factory Edition
2019 KTM 450 SX-F Factory Edition












