is this right ?

[dbman150 5,000+ posts]

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

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[dbman150 5,000+ posts]

o and sub is a 15 aq hdc3

 

[djman37 5,000+ posts]

http://www.psp-inc.com port calc sez 8.66 each

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

 

[dbman150 5,000+ posts]

will it make that big of a diff

 

[djman37 5,000+ posts]

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 //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif

 

[dbman150 5,000+ posts]

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