[bighauns]

I would totally build a box for 3 12's. You could make that look cool, even though they are Kicker (not my fav). You can do a lot of stuff if you just spend the time. Don't just buy a box for 3 12's make sure they have the right airspace. That is why you should build your own, cut it right how you want it, use the right material, flush mount your amps.

You will want to do whatever you can to make those sound good too, because they really don't have and SQ worth talking about...totally an SPL sub. So, maybe seal the box, however, I am not sure if kicker recommends that or not. But if you can I would, you won't loose that much SPL if you power them properly.

You will want to buy a new alternator and battery as well, especially of you are running that kinda gear.