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Message: <blockquote data-quote="KyleBechtold" data-source="post: 7412218" data-attributes="member: 604516"><p>hey I was looking at doing a slot port out the top of a truck box. I have a 4.36 box before port and so 12-14sqin of port area is 52.32-61.04.. My max dimensions are 3in(was 4.5" but .75" wood x2 =1.5) and I made the rest of the needed area up by making the other 20"... Well in  <a href="http://www.carstereo.com/help/Articles.cfm?id=31" target="_blank">Port calculator</a> it makes one height and one width.. the thing is when I change to 3 to height and the 20 to width the required length is different so if the port is on top which is which?</p></blockquote><p></p>

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