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      10-23-2013, 12:50 PM   #4
joe@trinityautosport
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Drives: E92 M3 | F10 M5
Join Date: Apr 2012
Location: Anaheim, CA

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I don't think it'll pass...I had rpi x pipe with oem mufflers and it didn't pass...To be SAFE I would switch out to your oem mufflers. 90db is low.