FMF Racing
FMF Racing KTM 350XCF-W 20-22/ HQV FE350 20-22/GG EC350F 21 SS Megabomb Header/ Mid Pipe - 045643
- SKU:
- FMF045643
- UPC:
- 045643
- MPN:
- 045643
- Availability:
- Regularly stocked product
Description
Does this header fit my bike?
Confirm your specific vehicle fitment before ordering to ensure proper installation and optimal performance of this FMF Megabomb Header.
Do I need professional installation?
Professional installation is recommended for the FMF 4-Stroke Megabomb Header to achieve its ultimate power boost and ensure correct fitment.
The FMF 4-Stroke Megabomb Header delivers an ultimate power boost across the entire RPM range, scoring a 9 for Engine Performance. Its patented technology combines the benefits of longer and shorter headers for broader powerband gains. Experience exhilarating acceleration and superior control with this advanced headers & manifolds upgrade.
What Owners Say
Owners and enthusiasts consistently report measurable performance gains with the FMF Megabomb header, with riders pairing it successfully with FMF 4.1 exhausts on bikes like the WR450F and KTM 500 EXC-F. One KTM owner documented 56.37 rear-wheel horsepower with the Powerbomb header combination, demonstrating real-world results. Riders appreciate the quality construction and compatibility with various FMF muffler systems, though the investment—often around $500 when factoring in jetting adjustments—gives first-time buyers pause. The header has earned particular favor among supermoto and dual-sport enthusiasts who want proven power increases without reliability concerns. For riders serious about optimizing four-stroke performance, the Megabomb header maintains a strong reputation as a dependable upgrade.
Key Features
- ultimate power boost
- improve performance along the bottom and mid-range powerband
- Patented FMF technology combines the benefits of a longer header
- top end peformance of a shorter header
Why Choose the FMF 4-Stroke Megabomb Header
Delivers an ultimate surge of power for exhilarating acceleration.
Achieves a broader, more responsive powerband for superior control.
Provides the grunt of a long header with the snap of a short one.
Maximizes top-end speed for unmatched performance on the track.
Who Is This For?
Engine Performance — 9/10
Ultimate power boost across entire RPM range.
Racing Competition — 9/10
Ultimate power boost and improved performance.
Track / Autocross — 8/10
Improves performance along bottom and mid-range.
Street Performance — 8/10
Ultimate power boost across entire RPM range.
Weekend Off-Roading — 7/10
Improves performance along bottom and mid-range.
High Speed Desert Running — 7/10
Ultimate power boost across entire RPM range.
Vehicle Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020–2021 | KTM | 350 XCF-W | Base |
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: |
045643 |
Proposition 65: |
N |
Case Lot Quantity: |
1 |
Category: |
Exhaust, Mufflers & Tips>Headers & Manifolds |
Product Level: |
Premium Performance |
Engine Performance: |
9/10 |
Racing Competition: |
9/10 |
Track / Autocross: |
8/10 |
Street Performance: |
8/10 |
Weekend Off-Roading: |
7/10 |
High Speed Desert Running: |
7/10 |