I recently got an AT Overland Summit. It was previously owned. I am trying to work out a couple of small issues. But my main issue is water intrusion when it rains. I do not have to be driving for the issue to manifest. The forward part of the topper that meets the cab of my truck on the inside of the camper I am getting water in both left and right corners and along the flange that sits just inside the truck bed. It does not appear that water is coming from above or at least none of the carpet is wet anywhere else. But the corners seem to be the issue and I assume it wicks along the carpet to wet out the area along the flange. Topper sits on a 2011 Tundra. When I had it installed new gaskets were put on along the bed rails etc. If anyone has any idea where the water is making its way in, please let me know.