Need Port Help!!

[Miles 128]

Hey everyone. I've got a 99 dodge 1500 regular cab. I built a box to go behind the seats that was about 2.4 cubes and had a 3" aero port, loaded with a Fi Bl 12. I resently bought a DP 12 and it is quite a bit louder than my Fi, but I know it can get louder. I'm building a complete fiberglass box to replace this one, and it will have the same basic layout, but I'm putting in a bigger port. I've got a 4" and a 6" aero port. So my question is, which would be a better combo: DP with 4" aero port, or DP with 6" aero port? I can possibly fit either one, but I want to know which one would be better for me. My music style is rap just because of the bass, and I LOVE the lows, and as of now, my old Bl got quite a bit lower than my DP, so what is your take an getting it to go lower. I'll be tuning to 32 hz, since that is the lowest recommended by IA.

[dtcharneski 0]

well the 6" gives you more port area 28.26 ^2 to the 12.56^2 of the 4"

[Miles 128]

Well it's obviously a given the 6" is bigger than the 4", but I want to know which one would help my sub go lower, sound the best, and get the loudest?

[dtcharneski 0]

If your only using one of the ports then I would have to say go with the 6" port because of the port area 12.56^2 isnt enough for a 2.4^3 box

[Miles 128]

Anyone else?