Hey guys im new here and im just looking to get a little bit of help on building a box for my 04 Ram. The current box i have looks like this,

and its rubbing the rubber of the cones of my subs and it (i think) is constricting my air flow...

So i want to make something like this, Here is a picture of what i plan on making it look like, i only have a side view since i used cardboard to sort of make a diagram.

The box will take up the entire middle seat and the subs will sit on top of the box. If you cant tell the 2 subs will be positioned at each flat part on eather side of the corner. I just know need to think of where to put port holes.....how does this look to u guys??

Also where should i put my port holes? Im using 2 10' Type R's also.