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Building a Box
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[QUOTE="jdc753, post: 499781, member: 52"] Those dimensions are pretty close but need to bump them up a touch, especially since you will be tight on the top and bottom depth anyways. So width should be 60" which will gain you a good bit of volume, then top can be 17.5" I think, I don't think the top can be 5", I think it is more like 3" and then the bottom I think you can max at 8" but its been about 3 years since I measured up behind the rear seat. I know my amp rack maxes out pretty much all dimensions and if it were a sub box the subs would have to be recessed so as to not hit the seat. [ATTACH=full]98850[/ATTACH] You can get a little more depth with some creative workings around the rear cab vents too. What I did was trim them off with a dremel, then they were only a 3/4" bump form the back wall. What sub are you looking at running? there is really not much room at all behind the rear seat in the 04+ crew cabs, you are pretty much limited to a MAX 2.25ft^3 and a MAX of 5.5" of mounting depth for an 8" sub. Might be able to squeeze a little more using fiberglass rear wall or other creative touches. If you are still looking at some ported boxes then check out these calculators. For L-Shape ported boxes, [url]http://reaudio.com/box.php[/url] For Aero ports, [url]http://www.psp-inc.com/tools.html[/url] Aero ports require half the port area and take up less internal volume too. If I remember right you want 12-16in^2 of port area per cubic foot to avoid port noise. [/QUOTE]
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