hey! ive heard a lot of good things from you i need a bit of help. i wanna run an audioque HD12 in a box for my toyota truck. box is gonna be in the backseat and i wanna hit some Major SPL with just one 12. its gonna be daily driven so i need some help dont just wanna make it loud but have some sq also. goal is 140+ dbs with a single 12 on a audioque amp 2200. if you can help me with a design for it id appriciate it. also want it to fit snug behind the seat going down like a L cause i tend to off road a bunch. let me know! thanks