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      12-11-2011, 09:56 AM   #44
Susoa
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Drives: 2013 M5
Join Date: Jul 2011
Location: NoVA

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If I replace the center muffler with an x-pipe and leave everything else, will it scream above 3k rpm? That's what I'm looking for. 1 place I went to also recommended removing the resonators.