E46Fanatics - View Single Post - diy velocity stack
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Old 07-31-2008, 07:31 AM   #11
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Join Date: May 2007
Location: las vegas
Posts: 254
My Ride: 2000 328ci
Originally Posted by Dreamliner330 View Post
I posted how to pull the air from the front bumper directly here
i did the same if you look at the first picture, the hole to the left on the fog light cover is where the opening of the intake is thus creating a velocity stack where air is forced into the pipe, rather than it be perpendicular to the air flow how some people have been doing it, also the dinan system. I've done it the way the csl snorkel is set up.

also the inside of the intake box was modified to use an aem cone filter

also i modified the intake channel behind the kidneys, i used a piece of aluminum to elongate the duct in order to create the ram air effect

and here it is with the hood closed, as you can see it is now directly in the path of the on coming air thus channeling the air directly into the intake box rather than it up higher in the under the hood.

hope this helps
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