PowerStrokeNation : Ford Powerstroke Diesel Forum - View Single Post - anyone using banks ram air kit???
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post #9 of (permalink) Old 01-01-2011, 07:18 PM
Wheels11
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Join Date: Nov 2010
Location: Dallas, TX
Posts: 352
Re: anyone using banks ram air kit???

Quote:
Originally Posted by tx 250 View Post
Just saw a volant air intake system as well. Open air design looks to be the least restrictive!
Its not as much less restriction as it is properly getting cold air to the filter. Hot air is less dense, resulting in less oxygen per cubic inch, aka less air density. Granted you still have to have good airflow, but a box around the filter with proper ducting will result in better performance than an open air design

'11 F250 Crew Cab Short Bed XLT FX4 Midnight Black
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