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Old 07-24-2008, 08:59 PM   #26
goat trail rider
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Joined: May 2008
Location: socal
Oddometer: 3,311
I modified a yoshimura for a 525 exc and its good, 35- % louder ,its blows 95 decibels @3800 rpm in my decibel meter ,but its loud over 5500 rpm ,got lots o good power with it ,stock was 82 @3800 rpm but the heat was the major change
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