FMF Racing MegaBomb Header

FMF Racing MegaBomb Header
$89.99 - $427.49
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FMF Racing MegaBomb Header - Details

The science behind the FMF MegaBomb header may be FMF Racing's greatest engineering accomplishment to date. You can pay an engine builder thousands or bolt on a MegaBomb for as much as a 3hp boost. Plus, the MegaBomb actually reduces noise levels by as much as 1.5dB. The FMF MegaBomb header will have you pulling holeshots and dusting all the boys on the way up Competition Hill. Used by Factory Teams, the MegaBomb is next level technology you can have today. Simply bolt it on and go faster!

  • Made from premium American materials
  • Stainless steel motorcycle/ATV 4-stroke header with FMF's patented MegaBomb module
  • Used by factory teams and is a great compliment to the FMF Factory 4.1 dirt bike or quad muffler
  • Increases output from stock motor as much as 15%
  • Gain up to 3 horsepower with a single bolt-on mod
  • Produces long header torque and short header over-rev
  • Reduces sound output by as much as 1.5dB
  • Less susceptible to damage than a long header
  • Quality construction for maximum durability

Note: For closed course competition use only. Not intended for street use.

Note: Image for reference only. Actual product may vary according to vehicle.

Note: This product may not be legal for sale or use in California or in other localities due to state and/or federal anti-tampering laws. Refer to before purchasing.


FMF Racing MegaBomb Header - Reviews

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Questions and Answers

FMF Racing MegaBomb Header - Questions and Answers

Have a product related question about fit, features, or functionality? Ask your question here and get answers from fellow riders.
If you have a question about availability or need immediate assistance, call 1-800-841-2960 to speak with our motorcycle experts.
hey do i need to rejet the carburetor if i install one of these headers ? if so what ?
amiee, New York
Depending on your year make and model, it is recommended to upgrade. FMF's website has a suggested jet sizing chart based on your bike and your add-ons.
Chaparral Motorsports
Mar 22, 2015
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can you put a fmf powercore 4 slip-on exhaust pipe on the end of the fmf mega bomb header?
amiee, New York
Yes, many FMF Megabomb headers will work with the Powercore 4 mufflers.
Chaparral Motorsports
Aug 05, 2014
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