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      10-02-2011, 10:36 AM   #49
nkgmd
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Drives: '13 M6 vert Black Saphire
Join Date: May 2011
Location: Anthem, AZ

Posts: 7
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Mine does the same thing in the 4000 rpm range when the exhaust is hot.I think it is a normal thing as the exhaust note outside the car also changes so it is not an issue with mounting or loose parts in the exhaust itself...


Hmm...Ok, thanks, that's helpful!
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