I am putting in a bigger amplifier in my 93 Xtra cab and it won't fit under the seats. Has anybody made a cover or shelf that maybe hides the amp? I would like to avoid advertising the amp by having it in plain view on the back floor. I was thinking of making a board that leveled off the hump in the middle on one side of the cab to give the amp plenty of room to breath. If anybody has any pics of this or other ideas of how they mounted amps I'd like to seem them.