thegr8cody Posted August 20, 2007 Report Share Posted August 20, 2007 http://s46.photobucket.com/albums/f144/dar...15/12s.jpg<a href="http://photobucket.com" target="_blank"><img src="http://i46.photobucket.com/albums/f144/darkwhite15/12s.jpg" border="0" alt="Photo Sharing and Video Hosting at Photobucket"></a> 1998 gmc sierra h/u:eclipse cd3200 sub:dd9518g d1.5 amp:jl e300/4 sub amp:dd m2a front stage:id ctx65cs dc power 270 alt lots of kicker 1/0 Link to comment Share on other sites More sharing options...
thegr8cody Posted August 20, 2007 Author Report Share Posted August 20, 2007 i konw the rule of thumb is to to keep the port the same diamter in my case its 3".but it has to be 24.75 long. so spliting the port on the back wall.each side has to be 24.75" long correct? 1998 gmc sierra h/u:eclipse cd3200 sub:dd9518g d1.5 amp:jl e300/4 sub amp:dd m2a front stage:id ctx65cs dc power 270 alt lots of kicker 1/0 Link to comment Share on other sites More sharing options...
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