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FMF Megabomb Header

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The science behind the Megabomb header may be our greatest engineering accomplishment to date. You can bolt on a Megabomb for as much as a 3hp boost, plus the Megabomb actually reduces noises levels by as much as 1.5dB. Used by Factory Teams, the Megabomb is the next level technology you can have today.

  • Produces long header torque and short header over-rev
  • Reduces sound output as much as 1.5dB
  • Increases output from stock motor as much as 3hp
  • Made from premium American TiMetal material

Works best when used with FMF Factory 4.1, 4.1C, 4.1 Anodized, Ti Powercore, Powercore 4, Q4 or Q4 Ti Muffler.


NOTE: Some models may vary slightly in price, you will be notified after your order is placed.

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  1. Little info..

    Posted by Bobbyl on 27th Jun 2012

    When buying this for a YAMAHA WR250F or WR450F u will also need to get the muffler as well due to it not fitting the stock muffler as i found out when i got it.

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