FMF 045638 Factory 4.1 RCT Exhaust System - Aluminum
Manufacturer Part Number: 045638
Drag Part Number: 1820-1875
4.1 RCT Exhaust with MegaBomb - Aluminum
- The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally
- Shorter overall length that is less susceptible to crash damage and complementary to FMF's 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 FMF's exacting specifications and is manufactured 100% at their Southern California factory
- Massive Power gains throughout the RPM range.
- Huge weight savings
- New RTS (Rapid Tuning System)
- Includes MegaBomb header
- Includes spark arrestor screen insert
Note: NOT FOR 16-17 FC450 ?02DLW
Fitment
- 2018 Husqvarna FC450
- 2018 KTM 450 SX-F Factory Edition
- 2019 Husqvarna FC450
- 2019 Husqvarna FX450
- 2019 KTM 450 SX-F
- 2019 KTM 450 SX-F Factory Edition
- 2019 KTM 450 XC-F
- 2020 Husqvarna FC450
- 2020 Husqvarna FX450
- 2020 KTM 450 SX-F
- 2020 KTM 450 SX-F Factory Edition
- 2020 KTM 450 XC-F
- 2021 Gas Gas EX 450F
- 2021 Gas Gas MC 450F
- 2021 Husqvarna FC450
- 2021 Husqvarna FX450
- 2021 KTM 450 SX-F
- 2021 KTM 450 XC-F
- 2022 Gas Gas EX 450F
- 2022 Gas Gas MC 450F
- 2023 Gas Gas EX 450F
- 2023 Gas Gas MC 450F
Fitment confidence: VERIFIED_API_JSON_EXACT_PRODUCT_HIERARCHY_MATCH
- Shorter overall length that is less susceptible to crash damage and complementary to FMF's 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 FMF's exacting specifications and is manufactured 100% at their Southern California factory
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