View Full Version : Is this right?

06-23-2009, 11:35 PM
so i'm using WinIsd Pro for the design of my box. so if i type in 2.25 cuft. at 32hz with a 6" aero, it says the port would have to be 28.54" ! Being this is a truck box, it's going to make my box pretty long. so am i figuring this out right?

06-24-2009, 12:18 AM
28.54 is what i got

06-24-2009, 05:04 AM
I got 28.68 from psp so Id say between winisd and psp your figuring it correctly