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      03-12-2019, 08:35 AM   #122
Jimmy K
Private First Class
United_States
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Drives: '19 M5C Donington Gray/Blk
Join Date: Aug 2018
Location: Johns Creek, GA

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Just a casual lurker stopping by. I would be a little unhappy if the cold start growl decreased by 40% over stock, even though the overall sound/tonality improved significantly whilst driving.

I'm betting you end up with a new exhaust. Lol!
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