Thread: DIY: OEM Exhaust Mod (my experience)
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      10-18-2013, 07:39 PM   #10
RickTreat24
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Drives: 2009 M3 E90
Join Date: Sep 2012
Location: Fresno, Ca, United States

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Sounds really good, saw this in a different thread too and wanted to ask if in doing this mod, will it void factory warranty?
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