help with porting

[FOSGATE JOE]

ok all i need is the size to use for my port.My box will be 5.5cuft with subs in and wood subtracked now i'm going with 4'' abs pipe. how long should it be???And the hz i would like is 30hz thanx

[Trixter]

how many ports? remember that your 5.5cu' will change when the port(s) are added

[FOSGATE JOE]

true^port will be 1 ok 4"

[FOSGATE JOE]

Or mybe slot port.''My box''altogether is 3'.5"Lx2'.3''Wx10''3/4H = Small car 240sx.Subs are t1s 12

[FOSGATE JOE]

wood is 3/4 mdf