need help on sub box

[cinnamonjesus223]

Im building a box for my 1993 cadillac deville trunk the max height is 16 inches, max depth is 27 inches and the max width is 34 inches. I think ill make the box port at around upper 20s

[Weigel21]

Need to know what sub(s) you'll be running to have any sort of idea as to what could be the better volume and tuning to go with.

[SMF93]

And what size are the sub(s) also