Okay, the essentials:
(x2) 12" IDMAX subs
(x1) Nine.1 amplifier
(x1) 32hz ported box (two single chambers with a 32hz port for each)
(x1) crappy JVC headunit
All in a 1999 Suburban. I removed the rear 3rd seat and placed the speaker box in it's place, subs firing toward the rear doors...