Someone double check my calculations please

[Punk In Drublic 10+ year member]

Used the subwoofertools calculator, it gave me a box 2.25 cu. at 27, but I want the port firing to the left, since the speaker will be firing across my trunk, I want the port firing forward into the cabin.

So if someone could just double check my numbers, I measured down the middle of the port and got 37 inches, just like the website. The internal height of the box is 12.5 inches, btw.

Thanks in advance

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