Hello, i have a 2003 mustang gt coupe. I am looking for a wedge type ported truck box so i can remove my sub easy the current box do go in & out so easy. i was thinking something like a kicker truck box design but most are to small. i will be needing a I.D. of 1.7 for my polk DB 1240 DVC. DOes anybody have a set of plans like this?