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XR650RFIRE

XR650RHEADER

4 posts in this topic

Anyone know how aheader will effect the performance of my 01 650R. I have a e series promeg exhaust , smog block kit, UNI filter, rejetted, air restrictive crap off, and the bike runs great. I would like to know if and in what range would I or could I tell a differance.

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