Thread: DIY brake ducts
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      09-11-2019, 06:10 AM   #83
ZM2
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Drives: 2017 LBB M2
Join Date: Mar 2017
Location: Baltimore

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I added the Porsche air deflectors to the rear a while back, but also cut away a quadrant of the backing plate so cool air can make it into the hat.

It surprisingly made a noticeable improvement.
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