Need aero port help real quick, pic inside.

[bad @SS chevy 10+ year member]

Those are 4" ports... should be tuned around 33hz,, I have a extra set of 3" aero's. What tuning range would i be in if I added the 3" aero's to my box?

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[yunvme666 10+ year member]

with mine i can use 2 for around 33 hz, and 3 for around 40hz, i prefer the sound of the 3 but i still want to lower tuning a lil.....

 

[bad @SS chevy 10+ year member]

so what are you saying? The box is dual chambered.. what whould 1 4" and 1 3" give me?

 

[yunvme666 10+ year member]

didnt try the psp site calc? all i was really saying was w/o cuttin my ports and using 3 over the 2 that it gave me around 7hz increase intuning....all mine are the length they came.....

 

[yunvme666 10+ year member]

oh and btw i just noticed you wanted to use 4" and 3" i dunno how thatll work.....

 

[SPL Blazer 10+ year member]

Are you talking about replacing the two 4" aero's with a pair of 3" ones, or adding the 3" ones to the existing 4" ports? You aren't very specific in your post.

 

[bad @SS chevy 10+ year member]

I want to add a pair of 3" aero;s. but want to know what tuning freq I would be at.. ty