I like my 4 gauge. I fabbed up a sheetmetal bracket to hold the gauge pod in place from instructions on this forum. Basically you pull the overhead console a part and mount your fabricated bracket to that. I just put some doublesided tape on the windshield to avoid rattles (didn't pull the adhesive strip to the windshield). Double sided tape in Utah doesn't work out to well in most cases (and with how often we go through glass out here, it's not exactly windshield friendly) due to heat/cold extremes.
My Autometer pyro and boost gauge came with enough wire, tube (just) to not need an extension.
My Autometer pyro and boost gauge came with enough wire, tube (just) to not need an extension.