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FMF Q4 — Yamaha WR250F (2007-2013), Yamaha WR450F (2007-2011) + 2 more, 4 — (see

Part # 044232
Item #357752
Fits 4 motorcycles
  • Yamaha
    • WR250F · 2007–2013
    • WR450F · 2007–2011
    • YZ250F · 2006–2009
    • YZ450F · 2006–2009
$449.99 $404.99 Save $45.00
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WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov
FMF Q4 Slip-On — Yamaha WR250F (2007-2013), Yamaha WR450F (2007-2011) + 2 more, 4-Stroke
Product Details

The Q4 is FMF's quiet 4-stroke slip-on — engineered to lower sound levels without giving up horsepower. Internal chambers, baffles, and proprietary multi-stage packing material drop most models below 93 dB with a max of 96 dB. Pounds lighter than stock, with a built-in spark arrestor and easy repack.

  • Quiet 4-stroke slip-on — max 96 dB, most models below 93 dB
  • Internal chambers and baffles with multi-stage packing
  • Built-in spark arrestor
  • Pounds lighter than stock
  • Compatible with stock or FMF header
  • Easy to repack

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

  • Yamaha WR250F (2007-2013)
  • Yamaha WR450F (2007-2011)
  • Yamaha YZ250F (2006-2009)
  • Yamaha YZ450F (2006-2009)

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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