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      12-09-2015, 05:57 PM   #38
m5 guy
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Drives: 2020 M5 Comp
Join Date: Apr 2012
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The Akrapovic won't do anything for your smell. You need cats for that. That's why I went Supersprint Eisenmann combo. Eisenmann is valved and Supersprint mid pipes are steel, which allowed cats to be welded in.

You could also just keep your oem mid pipes and put a valved exhaust on. Swap the resonators for cats and you will be all set. Go Eisenmann for less noise or Meisterschaft for a huge noise difference.
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