Thread: Exhaust noise level
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      06-30-2014, 11:29 AM   #13
C5ry
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Drives: 2011 M3 MW/BLK DCT
Join Date: Nov 2012
Location: Aston, pa

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I just installed akrapovic evo system. At idle and measuring it with a free app and it was about 80 db from about three feet away
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