2 12" Type-Rs or Infinity 12" DVQs in a ported box

[endosj3 10+ year member]

I was wondering if anybody had any dimensions or diagrams for me to come up with a custom box for 2 12"s, they'll be type-Rs or Infinty Kappa Perfects...its gonna be in the back of a 4runner so i have a little space, but i don't want to take it all up...any help would be appreciated. Oh and I would like to have the box tuned so i could hit some pretty low notes, basically down to 30 or lower if possible

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