opinions on enclosure design needed

[BobbyDD 10+ year member]

I'm wanting to put 2 12" Solobaric L7's in a ported box behind the 3rd row seat of a 2000 Expedition. I'd like to get opinions on this enclosure...

The dimensions are close to all I have to work with. Each sub has 1.75 feet. Slot ports are 5"x6"x25". It is tuned at 40hz. I know the tuning is a little high but I listen mostly to rap so maybe that'll be okay. Opinions please?

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[acold7dusta 10+ year member]

make it overall deeper by 4-5 inches, and retry the port. try to get mid 30s for rap

edit: why do you have two ports? just have 1 slot port

 

[BobbyDD 10+ year member]

I don't have that much more to work with. It has 2 seperate chambers is the reason there are 2 ports I guess. I'm not sure, I didn't design it myself. Do you think 40 hz is just too high?