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jneeley

06 WR450F with YZ426 exhaust

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I don't know if this is common knowledge, but while uncorking my WR450 the other night, my buddy pointed out that my exhaust looked a lot like the stock exhaust on his YZ426. He went to the basement dug it out, an dwe sized the two up. The bolt holes were off by a mm or so but it will fit. I put it on and gave it a try. It seems to work great, other than being really loud and not having a spark arrester. Does any one know why this would be a bad idea? It didn't seem to throw the jetting off (the jetting that came with the AIS removal kit), and it is about half the weight of the WR unit.

Jason

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