Well I plan on building a box... and then putting it in the back of the trunk and then having a peice of wood go over the front of it to make it like flush mount with the wheel wells and I was going to just vinyl that peice of wood, but I thought it might be cool to put carpet padding in between the wood and vinyl to give it a 3D type effect kind of thing I guess. If it looks like crap I'll just take the padding out