FMF 044456 Factory 4.1 RCT Exhaust System - Aluminum
Manufacturer Part Number: 044456
Drag Part Number: 1820-1840
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
Fitment
- 2019 Yamaha YZ250F
- 2020 Yamaha YZ250F
- 2020 Yamaha YZ250FX
- 2021 Yamaha YZ250F
- 2021 Yamaha YZ250FX
- 2022 Yamaha YZ250F
- 2022 Yamaha YZ250FX
- 2023 Yamaha WR250F
- 2023 Yamaha YZ250F
- 2023 Yamaha YZ250FX
- 2024 Yamaha WR250F
- 2024 Yamaha YZ250F
- 2024 Yamaha YZ250FX
- 2025 Yamaha YZ250F
- 2025 Yamaha YZ250FX
- 2026 Yamaha YZ250F
- 2026 Yamaha YZ250FX
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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