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      10-02-2011, 09:57 AM   #47
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Drives: '13 M6 vert Black Saphire
Join Date: May 2011
Location: Anthem, AZ

Posts: 7
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The service report stated that "the noise is found coming from the rear section of the exhaust, inside of muffler during load". They replaced it, and it is better, but I can still hear a difference in the character of the exhaust note at 4000rpm. I wonder if there is something wrong with the engine that is amplified by the exhaust as well.
nkgmd is offline   United_States
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