Need Suggestions

[Bobbytwonames 5,000+ posts]

i was planning a box like this but subs up port back

Two twelves.

 

[hispls 5,000+ posts]

Why even own a suburban if you're only going to build a 5 and change cubic foot box? single 15 or pair or pair of 12s should get you about the same place..... you could buy an extremely nice single 15 and stay within budget.