After over 8 months since my purchase I finally got around to installing the lip kit on my w2o. The installation was a bit improvised. I used a combination of the included double-stick tape and silicone RTV. Instead of using the included screws, I used bolts, nuts, and washers.
It was easier to install with the rocker panels removed. Removing the rocker panels were a pain, and it broke a few clips in the process. After reinstalling the panels the double-stick tape didn't seem strong enough, so I had to use quite a bit of RTV and used various objects and wedged it underneath the lip and let it set. It seems to hold up pretty good now.
The front lip wasn't too bad. It was a bit hard to line it up with the holes on the side due to the double-stick tape (lightly moistened to make it easy to slide).