Superduty EXT cab sub + port position?

[ArrizX 10+ year member]

I have a ****** box now to tide me over till I get to build my nice one but I have a extended cab superduty with no rear seats. Not sure how to design the box.

I am going to go with about 4.5 cubes ported about 33. I was thinking sub forward and port up.

First question how is the positioning?

My equipment is an SA15 and a Fosgate P500 that birthsheet reads 630 @ 1 so my second question is that too much airspace for 600W? I have the sub in about 3.2 cubes right now not sure about tuning. It gets loud but there is not enough airspace for some of the low end. The amp does perfect in this box but I am afraid I wont have enough power for 4.5 cubes.

Buying another amp is not in the budget right now so what is the best airspace for my amp?

Thanks

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[ArrizX 10+ year member]

great thanks for the info so how do I arrange the sub and port

 

[ArrizX 10+ year member]

I think I am going to go with a single 6" areo port too

 

[ewadz3006 10+ year member]

Pay someone to design a box for you

 

[ArrizX 10+ year member]

hmm why?

Its fairly easy with aero ports im an idiot and I think I can figure it out. I have done a couple now all sealed though. This is basically building a sealed box to ported specs and adding holes for plastic pipe.

I just dont understand cabin acoustics yet

 

[ArrizX 10+ year member]

I also dont know if I should use multiple smaller ports or one large port? Like two 3s or 4s or a single 6? You can get the same tuning out of any other them I am just not sure what else they would effect?

Edit no I am definitly going to stick to the single 6" at 33hz