Originally Posted by HEWJsc4

On my old SC I installed a plank of mdf that was suspended from brackets attached to the car using the holes underneath where the rear speakers are. It cleared the gas tank by an inch or so. I installed two amps onto the MDF board. This is with the stock sub removed. I did not want anything resting on the gas tank.

Originally Posted by lfrers

If your amp is going to be bumpen for any real amount of time you want that thing to get some air so it wont overheat.

I got an Alpine mono for the sub, ,mounted it to a thin piece of plywood, cut out a section in the Gas tank cover and mounted it flush. Hides all the wires and the heat fins are exposed in the trunk. Worked well for me.