The FMF MegaBomb Stainless Steel Header, manufacturer part number 044475 and vendor part number 044475, is the next evolution in PowerBomb exhaust technology. Designed to deliver substantial power increases across the engine’s operating range, this performance header helps improve throttle response and overall engine performance while maintaining the durability expected from FMF off-road exhaust components.
Constructed from extremely lightweight materials, the FMF MegaBomb header is engineered for riders seeking improved performance without unnecessary added weight. Its stainless steel construction provides dependable strength for motocross, cross-country, and off-road riding conditions. The application-specific design supports proper fitment and integration with compatible Yamaha exhaust systems and motorcycle configurations.
This FMF 044475 header fits 2023 and 2024 Yamaha YZ450F models, 2023 and 2024 Yamaha YZ450FX models, 2023 and 2024 Yamaha YZ250FX models, 2023 Yamaha WR250F, and 2024 Yamaha WR250F and WR450F models. Confirm the motorcycle model and year before installation to ensure compatibility. The FMF MegaBomb is intended for performance-focused riders who want stronger engine output, lightweight construction, and the trusted fitment of a model-specific exhaust component.
Features:
- MegaBomb technology: The next evolution in FMF PowerBomb header design
- Power increase: Helps provide substantial power gains across the engine’s operating range
- Lightweight construction: Built from extremely lightweight materials to reduce unnecessary weight
- Stainless steel design: Provides durable performance for motocross and off-road riding
- Fitment: Fits 2023-2024 Yamaha YZ450F, 2023-2024 Yamaha YZ450FX, 2023-2024 Yamaha YZ250FX, 2023 Yamaha WR250F, and 2024 Yamaha WR250F and WR450F models
- Brand and part number: FMF MegaBomb header, manufacturer and vendor part number 044475
Fitment:
2023 Yamaha WR250F
2023 Yamaha YZ250FX
2023 Yamaha YZ450F
2023 Yamaha YZ450FX
2024 Yamaha WR250F
2024 Yamaha WR450F
2024 Yamaha YZ250FX
2024 Yamaha YZ450F
2024 Yamaha YZ450FX
2025 Yamaha WR250F
2025 Yamaha WR450F
2025 Yamaha YZ250FX
2025 Yamaha YZ450F
2025 Yamaha YZ450FX
2026 Yamaha WR450F
2026 Yamaha YZ450FX