Here's my write up
I used these instructions
http://www.sleeoffroad.com/installation/arb_drawer_installation.pdf as well as the manual provided with the drawers
1. Since mine came preassembled, I had to remove the top rolling slide and the drawer unit. This means, 2 screws for each side of the sliders, and 4 bolts inside the drawer to remove the stoppers. As poor as the instructions are, this shouldn't be confusing.
2. Once you have the frames exposed, u can just bolt them together. Instruction is pretty clear here. I think it was 6 bolts and two support beams
3. Identify the mounting holes
4. U can cut the carpet and use a dremal to remove the plastic piece blocking the bolt. This is just the way I did it. Not saying u have to cut anything if u don't want to.
5. Remove four bolts total on the rear seat mount. This should remove the small black bars that lock the seat in. only need to remove the ones closer to the second row.
6. Throw the drawer frame into the truck
7. Read the manual on the slee website provided above to see what spacer size u need under each mounting point. It's just a bunch of plastic blocks u can stack.
8. Put them under the mounting points. The bolts should line up with the holes without much issues. The only thing I had to add were washers since the bolt heads are too small.
9. Install the drawer unit. Slide it in pass the second bearing before installing the stopper.
10. Install the top roller. Slide the roller in pass the initial resistance point then install the stopper.
step 9 and 10 might require some fiddling. I used a screw driver bit and pliers help screw in the stopper screws.
Still waiting on the side trims. Once I get them, I'll see if I can find some time to add to this write up. I picked the wrong day to install....insane amount of pollen and I couldn't stop sneezing. Now I feel like dying.....fml...
P.S I know this writeup is kinda crappy but hope it helps a bit.