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FMF Megabomb — Header — Yamaha WR250F (2020-2025), Yamaha YZ250F (2019-2026) + 1 — (see

Part # 044449
Item #357785
Fits 3 motorcycles
  • Yamaha
    • WR250F · 2020–2026
    • YZ250F · 2019–2026
    • YZ250FX · 2020–2026
$424.99 $382.49 Save $42.50
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WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov
FMF Stainless MegaBomb Header — Yamaha WR250F (2020-2025), Yamaha YZ250F (2019-2026) + 1 more, 4-Stroke
Product Details

The MegaBomb is FMF's largest resonance-chamber header — a larger expansion volume than the PowerBomb for even broader low-end and mid-range gains. Stainless steel version offers rugged durability at a friendlier price than the titanium MegaBomb.

  • Larger resonance chamber than PowerBomb — bigger low-mid bump
  • Stainless steel construction
  • Direct-fit replacement for OEM head pipe
  • Pairs with FMF 4-stroke slip-ons
  • Mandrel-bent for smooth flow

Fitment: 4-stroke bike specific — fits the following models:

  • Yamaha WR250F (2020-2025)
  • Yamaha YZ250F (2019-2026)
  • Yamaha YZ250FX (2020-2026)

This is a 4-stroke exhaust. It is engineered for the 4-stroke engine architecture above and physically will not fit a 2-stroke bike. Verify your engine type before purchase.

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