hey i drive a 1994 ranger extended cab and just bought a 12" RF HE2 and i dont want to take up the whole back area of my truck cuz i have to take ppl with me sometimes so i was just gonna put it behind the drivers seat, BUT i dont kno dimensions to use to make the box?? which direction to point the sub?? or if i need a wedge box or if i can make a rectangle or square box instead?? the only thing i do kno is that i want the box to be sealed...if someone could help out on ne of those questions it would help me out A LOT...thanks