best ported box design for 2x) 12 HCCA woofers with HCCA 2500 amp to each one?

[Lucas Price]

I am working on re-building a custom box for 2x) HCCA 12 sub woofers, each woofer has a HCCA 2500 running it with lots of room in a jeep commander. I am re-doing a custom box from another shop, and it is one of the worst box designs ever! The port in not strait , it has a gangster lean to the right and has about as much out put as to rampage 12 woofers! I can not find any specs. on this woofer but I do know that they need about twice as much air space as the box they are in, if any one has any ideas on air space and port dimesions that would help. The size of the box does not matter I just want to make something that will blow your mind when you find out its only 2x) 12!