MegaBomb Exhaust Header 18-20 Yamaha WR YZ 450 F FX - FMF 044439
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 
18+, T&Cs apply
The FMF Racing Stainless MegaBomb 044439 is a high-performance header designed for single-sided exhaust systems, excluding part number 014553. This stainless steel header is intended for closed course use only and delivers improvements in power and throttle response. It is lightweight and durable, engineered for Yamaha motocross and enduro models. Features include construction from high-grade stainless steel for strength and reduced weight, MegaBomb design to increase horsepower and low-end torque, and direct replacement fitment. Specifications include FMF Item ID 044439, header type MegaBomb, single configuration, stainless steel material, and no carb warning.
- SKU
- 06-1784.HDR.MBS
- Brand
- FMF Exhausts
- Availability
- In Stock (5)
Fitments (28)
| Make | Model | Year |
|---|---|---|
| YAMAHA | WR 450F | 2019 |
| YAMAHA | WR 450F | 2020 |
| YAMAHA | WR 450F | 2021 |
| YAMAHA | WR 450F | 2022 |
| YAMAHA | WR 450F | 2023 |
| YAMAHA | WR 450F | 2024 |
| YAMAHA | WRF 450 | 2019 |
| YAMAHA | YZ 450F | 2018 |
| YAMAHA | YZ 450F | 2019 |
| YAMAHA | YZ 450F | 2020 |
| YAMAHA | YZ 450F | 2021 |
| YAMAHA | YZ 450F | 2022 |
| YAMAHA | YZ 450F | 2023 |
| YAMAHA | YZ 450F | 2024 |
| YAMAHA | YZ 450F | 2025 |
| YAMAHA | YZ 450F | 2026 |
| YAMAHA | YZ 450FX | 2019 |
| YAMAHA | YZ 450FX | 2020 |
| YAMAHA | YZ 450FX | 2021 |
| YAMAHA | YZ 450FX | 2022 |
| YAMAHA | YZ 450FX | 2023 |
| YAMAHA | YZ 450FX | 2024 |
| YAMAHA | YZ 450FX | 2025 |
| YAMAHA | YZF 450 | 2018 |
| YAMAHA | YZF 450 | 2019 |
| YAMAHA | YZF 450 | 2020 |
| YAMAHA | YZF X 450 | 2019 |
| YAMAHA | YZF X 450 | 2020 |
- General Product Group
- Exhaust Systems & Parts
- General Product Type
- Header Pipe
- Variant Id
- 209406
FULL DESCRIPTION
FMF Racing MegaBomb Exhaust Header
The FMF Racing Stainless MegaBomb is a high-performance header designed to optimize power and throttle response for single-sided exhaust systems. Crafted from high-grade stainless steel, this header offers enhanced strength and reduced weight for a competitive edge.
Key Features:
- Manufactured from premium stainless steel for superior durability and a lighter feel.
- The innovative MegaBomb design is engineered to boost horsepower and low-end torque.
- Specifically designed for single exhaust configurations.
- This part is intended for closed course use only and is not approved for road use.
- Engineered for a direct replacement of the stock header, ensuring a precise fit.
Specifications:
- Type: Exhaust Header
- Header Style: MegaBomb
- Configuration: Single
- Material: Stainless Steel
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.