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      10-10-2019, 08:58 AM   #4
marcthedark
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Drives: M240i xdrive Convertible
Join Date: Apr 2017
Location: Phoenix Metro Area

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Deleting your resonators/adding a midpipe will void your warranty .... on the cat back exhaust system on nothing else (unless you damage something during the change) as i.e. an interior problem with the seats can not be traced back to a change in the exhaust.
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