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      09-08-2015, 11:31 AM   #52
C-Mu
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Drives: 2016 M4
Join Date: Jun 2015
Location: So Cal, USA

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I'm in CA and for emissions purposes and to keep the car as stock as possible, I'd like to keep the charcoal filters but would love to hear the turbos a bit more. Can anyone comment if there is an audible difference by installing the BMC and keeping the charcoal? Thanks.
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