this box I'm building is for 2 12's and im stuck on ports I'v been told to chamber the box and run 2 6" and I'v also been told by others to leave the chamber out and go with three 4" here's the box its 3.10 cu ft what would you guys say

 

Dont chamber it use (2) 6 ". Put a divider between the subs about 5" long.

 

cool i never thought to ask you man you help me out on the box for my windstar to lol