ok what all will i need to do stacks iwant 5 inch duals, i have a set fo 5 inch stacks i wanan use already but i dont know hwat else i need, and is there a way to split it to duals before coming trough the bed or should i just t it off in the bad and then make em up from there. i have looked at afew diffrent peoples stacks here , and i love the look and sound but i lack the knolege, or is there a kit to buy to do stacks? but i would prefer to make my own.