Thread: Filter Minder
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      10-11-2015, 03:18 PM   #19
Poosik
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Drives: BMW 335D
Join Date: Jan 2014
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Nice. I'm wondering if the "ram air" effect will be negated by the filter acting as a dam. Also, since you have already reached a "0" vacuum state with the air box holes are we assuming a "positive" pre turbo pressure is beneficial?
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