FMF 044477 Factory 4.1 RCT Exhaust System - Aluminum Stainless Steel Header Carbon Fiber End Cap
Manufacturer Part Number: 044477
Drag Part Number: 1820-2047
Factory 4.1 RCT Exhaust System - Aluminum - Stainless Steel Header - Carbon Fiber End Cap
- Incorporates FMF Resonance Chamber Technology™ both internally and externally
- Shorter overall length that is less susceptible to crash damage and complementary to Factory Forward Engineering, moving the muffler closer to the motor to centralize mass
- Constructed from only aerospace grade materials that meet exacting specifications and is manufactured 100% at the southern California factory
- Spark arrestor screen insert included
- 94dB insert included
- For closed course competition only
Fitment
- 2023 Yamaha YZ450F
- 2024 Yamaha WR450F
- 2024 Yamaha YZ450F
- 2024 Yamaha YZ450FX
- 2025 Yamaha YZ450F
- 2025 Yamaha YZ450FX
Fitment confidence: VERIFIED_API_JSON_EXACT_PRODUCT_HIERARCHY_MATCH
Yes
