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quiet info needed

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What muff's out there will get a YZ-250F through the sound checks? I'm not talk'n maybe! I'm talk "will" get me through an CC,desert,ISDE sound check safely. I'm thinking about doing some off road races next year.

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a white brother e series with 4 disks........ohh wait i have one for sale that has 3 rides no crashes....lol. but i had the ranger sound check it and it was fine. great pipe.

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Go with either the FMF Q series or the new White Brothers E2 both will pass the new California 96db requirement. I just installed the new E2 on my 02 YZ250F and it is very quiet compared to my old White Brothers R4.

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