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      09-06-2016, 12:40 PM   #40
Nonopr01
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Drives: 2017 BMW M3
Join Date: Aug 2015
Location: San Juan, PR

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Quote:
Originally Posted by Mu5e View Post
What is the benefit of not having the flap? More power?
I will think just for sound and for some areas of the power band but most likely to keep sound in check.
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