Box spec please

[stangdriverdoug 10+ year member]

Here's the sub, I have 2 of them: XFL 12

I am looking for something that will get me the most spl I can get and still sound descent SQ wise. I'm running about 600 rms to each to start and will upgrade later. They are going in a 99 Lesabre. Thanks!

also I have a good lenght of 4" pvc I can use for the ports. thanks!

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[RAM_Designs 5,000+ posts]

Do somewhere around 2-2.5ft^3 each tuned to 35hz. I also recommend not using PVC for ports.

 

[stangdriverdoug 10+ year member]

Do you think that 3.0 cubic foot per side would be too much?