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Yamaha MX & Off-Road Dirt Bikes
YZ250F aftermarket exhaust, decisions?!
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[QUOTE="BCooper, post: 62091, member: 19466"] McDermott, I have the WR (w/o baffle)which tested at 99dB while idling. With a twist of the throttle it would easily push 114dB. Way loud!!!! I bought the Big Gun Race series pipe with the quiet core insert which brought it down to around 96dB when revved. The only problem I'm having now is jetting this thing. My powerband has been narrowed drastically and is all on top. The bottom still feels the same, the midrange is lazy, but when it get on top it gets scary fast(major difference) I'm still fooling with the jetting so maybe I can get my midrange back (thats where I ride the most!) So far, I don't like it nearly as much as my stock pipe w/ baffle removed, but I can pass the sound checks with this pipe. Coop ------------------ 2001 WR250F [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
YZ250F aftermarket exhaust, decisions?!
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