My goal is to get a mix of both a vehicle that's both competition and sound quality that's why i going with a B.T.L. And the budget really is and isn't a factor i mean i want to keep it under a minimum. I want to buy 3 batteries if not more! run a 300 amp alternator if not more! And a pretty big fuse to the beast! I plan to run 0 gauge wire through out the whole truck. I also plan to do a lot to this truck so budget really isn't a question but it still kind of is! I want it to be cheap but no so cheap i am going to be beat by anything and everything. Like i said earlier i want something that is going to be heard no put to shame easily. I plan to do a majority of all the work myself. My brother-in-law has a shop that i can build the whole thing in no problems/questions asked. And the blowout is what i am worried about my brother-in-law can weld but can we do it good enough to support something of this magnitude. I still plan on putting a tonneau cover over the truck for the main reason i have to have some were to hide all the batteries and amp! And the reason i am asking about a box is because i have no spare time to draw up a box i'm always working or doing other things for extra cash! So i have absolutely no spare time. Anymore ?'s i guess just feel free to ask. Still new to this so still learning.