help with porting

[FOSGATE JOE 10+ year member]

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

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[Trixter 10+ year member]

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

 

[FOSGATE JOE 10+ year member]

true^port will be 1 ok 4"

 

[FOSGATE JOE 10+ year member]

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

 

[FOSGATE JOE 10+ year member]

wood is 3/4 mdf