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madmike401420
06-27-2012, 11:15 AM
my box is 17x17x15 how meny cubic feet is that thats one chamber the whole box is 38x17x17 with a 3 inch wide port thats15 long i have 2 sa 15s in it i know its not 7 cubic feet but what is it?

mylows10
06-27-2012, 11:44 AM
2.5 outer too small

madmike401420
06-27-2012, 11:47 AM
thank you

mylows10
06-27-2012, 11:50 AM
prob you need 3.5 each sub internal try 17x17 x23 each side ,but you'll need to change your port too

madmike401420
06-27-2012, 12:03 PM
i have a jetta i have two more 15s in my basement u thik it woud be a better idea for a costom box for 2 or 4 in the trunk then?

mylows10
06-27-2012, 12:09 PM
a custom box for 2 will be good, dont think you'll be able to get all 4 in the right size box in the trunk

madmike401420
06-27-2012, 12:10 PM
ok thanks again

mylows10
06-27-2012, 12:14 PM
cool