6 sundown x 8s port help

[gmc123 10+ year member]

I'm building a fiberglass center console for 6 x8s it's going to be 5 cu ft tuned to 30 Hz can anyone help me with the port measurements?

All subs will be inverted if this makes a different.

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[Boomin_tahoe 5,000+ posts]

What vehicle?

Center console huh....that's gonna be some center console for 6 8's.

 

[gmc123 10+ year member]

What vehicle?

Center console huh....that's gonna be some center console for 6 8's.

Back seat console for 2014 dodge ram 1500 crew cab. It's going to go from floor to roof.