Sorry for the crappy iphone pic. This is my solution to the crappy stock sub in 09+ trucks. It uses all the stock mounting locations with no modification to the truck. I'm using a JBL GTO804 sub with approximately 0.5 cubic feet of sealed box volume. It's 3/4" MDF and fiberglass construction covered in vinyl and black suede. I love it. It's a trillion times better than the original sub and the seats and console all function properly without mods.