WR250R FMF Q4

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Uploaded by on Apr 29, 2010

This video compares the sound and appearance of the WR250R's stock exhaust to the Q4 made by FMF

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Uploader Comments (pjllama)

  • apparently doesnt give much of a power increase, mainly noise :/ so think i'll be staying stock for a while, besides the insurance rockets when you put it on :(

  • @steelbeans

    I recently put on the FMF programmer as well and the gains are ridiculous. It's a totally different bike with air mod, FMF Q4, and FMF muffler.

  • The Q4 is popular for good gains, but also being relatively quiet when compared to other aftermarket exhausts. It's much louder than stock.

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All Comments (5)

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  • @pjllama what are the gains? did you dyno it?

  • @steelbeans yea the pipe alone wont give you gains you need to retune along with the pipe to see a difference

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