i have 2 jl 12w7s 2 1000/1 amps and a custom box for both woofers w/ a slot port, the woofers share the same air space, no divider, i will be transferring this to an Escalade, would the ported box that i have sound best or should i go sealed, or should i go ported w/ a box and divider? i want good deep bass and good sq...any suggestions