I took my 2 gauge pod and sliced off the shell, and copied over the mount brackets from my 3 gauge pod. I have included the three backers I used, each with and without holes for studs. The shortest is for an AEM Truboost, the medium is for an AEM 30-4110 AFR gauge, and the tallest is for an OEM Cobalt boost gauge. If you're not sure which backer you need, you can guess at the length and drill holes in the hole-less ones for your gauge's mounting studs.
Note the front face is 5mm thick, the shortest backer is another 5mm, the medium is about 32, and the large is about 45.
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