The FMF Megabomb stainless steel exhaust header is engineered to deliver substantial power increases across the engine’s operating range. Building on FMF’s PowerBomb technology, the Megabomb design helps optimize exhaust flow and performance for riders seeking stronger, more responsive power from their Kawasaki motocross or cross-country motorcycle.
Constructed from extremely lightweight materials, this FMF Megabomb header offers a performance-focused upgrade without unnecessary added weight. The stainless steel construction provides durability for demanding riding conditions, while the application-specific design supports proper fitment on compatible Kawasaki models. Manufacturer part number 042399 and vendor part number 042399 identify this FMF exhaust component.
Fitment includes the 2019–2024 Kawasaki KX450F and the 2021–2023 Kawasaki KX450X. Verify the motorcycle model and year before installation to ensure compatibility. The FMF Megabomb is designed as a direct-fit performance exhaust header for the listed applications and is intended for riders who want improved exhaust performance, lightweight construction, and FMF engineering in a purpose-built package.
Features:
- Megabomb design represents the next evolution in FMF PowerBomb technology
- Delivers substantial power increases throughout the engine’s operating range
- Constructed from extremely lightweight materials for performance-focused weight reduction
- Stainless steel construction provides durable performance for demanding riding conditions
- Fits 2019–2024 Kawasaki KX450F and 2021–2023 Kawasaki KX450X models
- Brand: FMF
- Manufacturer Part Number: 042399
- Vendor Part Number: 042399
Fitment:
2019 Kawasaki KX450F
2020 Kawasaki KX450F
2021 Kawasaki KX450F
2021 Kawasaki KX450X
2022 Kawasaki KX450F
2022 Kawasaki KX450X
2023 Kawasaki KX450F
2023 Kawasaki KX450X
2024 Kawasaki KX450F
2024 Kawasaki KX450X
2025 Kawasaki KX450F
2025 Kawasaki KX450X
2026 Kawasaki KX450F
2026 Kawasaki KX450X