Ok guys I finally got everything in so Im having my box built early next week. Here is a Design below for my 2 18" Level 4 XL's. Its going in my 03 Gmc Sierra Ext. Cab taking the back seat out for this. Specs are 190 3/4 sqin port area tuned @ 33 hz and is 11.27cuft after displacements
Everything thats going in the truck Plus 2 Large batteries and the MLA module which are not in the pictured
And the actual truck
I will update with pics when the box is being built..