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      11-28-2011, 09:20 PM   #201
adrian@vishnu
Australia
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Drives: 135i
Join Date: May 2009
Location: Sydney, Australia

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Not sure if it was clear in my original post a couple back. We tested with no filter in standard box, and no performance gains, which means any drop in replacement would have the same or worse result. The restriction is in the box lid. All air passes from one side of it to the other, and this is where the restriction is. An intake setup that wants to improve things has to improve this area... so DCI does it, and Dinan does it, and system that put a seperate pod feeding the filtered side of airbox do it, but anything retaining the original lid unmodified with no way to bypass the lid will be no better than stock from a power perspective. Of course... it may be cheaper or something which is another reason to buy it.
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