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      03-03-2010, 02:20 AM   #8
Second Lieutenant
Drives: Black E92 M3
Join Date: Oct 2008
Location: Upland

Posts: 202
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Originally Posted by FStop7 View Post
The vent on the hood isn't an intake. Air flows out of it when the car is moving. The purpose of the hood vent is to reduce turbulence and smooth airflow through the filter box.
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