FMF Racing
FMF Racing Yamaha YZ250F 19-26/YZ250FX 20-26/WR250F 20-24 Titanium Megabomb Header w/Mid Pipe - 044450
- SKU:
- FMF044450
- UPC:
- 044450
- MPN:
- 044450
- Availability:
- Regularly stocked product
Description
What is the FMF Megabomb header made of?
The FMF 4-Stroke Megabomb Header utilizes a proprietary blend of stainless steel, ensuring exceptional durability and optimal heat dissipation for sustained performance.
How difficult is it to install the FMF Megabomb header?
Professional installation is recommended for the FMF 4-Stroke Megabomb Header to ensure proper fitment and achieve maximum performance gains.
The FMF 4-Stroke Megabomb Header for 2019-2021 Yamaha WR250F/YZ250F/YZ250FX significantly improves bottom and mid-range powerband performance. Its patented technology combines the benefits of longer and shorter headers for explosive low-end torque. This header transforms your ride with broader, more usable power across the entire RPM range, offering a substantial advantage for off-road riders.
What Owners Say
Owners and enthusiasts consistently report impressive power gains with the FMF Megabomb header, with riders pairing it with FMF mufflers on everything from WR450Fs to KTM 500 EXC-Fs and achieving dyno-proven results—one 500 EXC owner measured 56.37 horsepower with the Powerbomb header and FMF 4.1 combination. The header is frequently mentioned as part of complete exhaust upgrades, though first-time buyers do note the investment is significant at around $500, often requiring additional jetting work to maximize performance. Riders appreciate the compatibility across popular dirt bike and supermoto platforms, and the consistent pairing recommendations from experienced owners suggest strong confidence in FMF's engineering and the header's ability to deliver measurable performance improvements.
Key Features
- Patented FMF technology
- improves performance along the bottom and mid-range powerband
- combines the benefits of a longer header
- top end peformance of a shorter header
- reduces sound output by as much as 1.5 dB
Why Choose the FMF 4-Stroke Megabomb Header
Delivers explosive low-end torque and seamless mid-range acceleration for superior trail control.
Achieves the grunt of a longer header with the responsiveness of a shorter one.
Transforms your ride with a broader, more usable powerband across the entire RPM range.
Provides a quieter ride, reducing sound output for extended trail enjoyment.
Who Is This For?
Weekend Off-Roading — 9/10
Improves bottom and mid-range powerband.
Racing Competition — 8/10
Enhances performance across powerband.
Engine Performance — 9/10
Improves bottom and mid-range powerband.
Exhaust Note / Sound — 7/10
Reduces sound output by as much as 1.5 dB.
Track / Autocross — 8/10
Improves performance along the powerband.
Street Performance — 8/10
Improves bottom and mid-range powerband.
Additional Resources
Important Notices
⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Clearance Item: |
N |
MPN: |
044450 |
Proposition 65: |
N |
Case Lot Quantity: |
1 |
Category: |
Exhaust, Mufflers & Tips>Headers & Manifolds |
Product Level: |
Premium Performance |
Weekend Off-Roading: |
9/10 |
Racing Competition: |
8/10 |
Engine Performance: |
9/10 |
Exhaust Note / Sound: |
7/10 |
Track / Autocross: |
8/10 |
Street Performance: |
8/10 |
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