View Full Version : is this right ?

06-25-2008, 04:23 PM
4 cub bo x tuning would be 40 2 4 in round ports cut to 8.8 in seems a little small

what do u think

06-25-2008, 04:25 PM
o and sub is a 15 aq hdc3

06-25-2008, 04:26 PM
www.psp-inc.com port calc sez 8.66 each

edit: on that sub, i'd use 3 ports.

06-25-2008, 04:29 PM
will it make that big of a diff

06-25-2008, 07:19 PM
It would be better, but don't know if it would be feasible in your box. check out what happens to port length with 3 :(

06-25-2008, 09:31 PM
yea i see that thats why i asked i can do it but its going to be a pain in my truck being that they are going to be external