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jumpfreak26
12-20-2009, 12:58 AM
So on the maufacturers page for an iDQ 15 D2 V2, it says for a small ported box(which I have, gross volume is about 1.9.. :( small i know.) It says for 2.0 cuft ported box, I should use a 4" port thats 13.5" long. Does that sound right to any of you guys??

I tried using one of the calculators I found someone suggested on here, heres the link. (http://www.carstereo.com/help/Articles.cfm?id=31)and it comes out with a port diameter of 7.3 inches??!! and a port length of Na.....ha. any ideas?