jheezy sp4's

I have 3 Fi sp4 15s however there's not enough room for all three in the trunk of my 2002 acura tl type s...I'm hoping I can find a design to where I can fit 2 in the back with proper air space that will hit loooowwwww and possibly be interchangeable for daily and burps. ...The problem I'm facing is that my back seat doesn't go down just have a middle console that opens up into the trunk..I can't remove my back seat because I have 2 kids..I'll be powering them with either a saz 3500 or dd m4 on 2 xs 2700s and 270 amp singer...any designs will be greatly appreciated. .thanks bass heads...my number is 419 310 6839 and my name is jake..I live in ohio