I think it's depends on how much you want to spend. On a brand new truck, I would opt for a spray-on bedliner. However, I always have a second hand truck used primarily for Home Depot/dump/suburban duties and have used roll-on kits with very good success.
Hi, looks like I got the same problem with Reserator1 V2. The water stops in the CPU-block, and there are small blue dots in the tubes. The blocks and tubes are covered inside by something blue. I haven't opened the CPU-block because of the warranty. I suspect that the anti-corrosion coolant...
Theoretically there's quite a lot of extra weight that could be towed above the maximum listed capacity, but if you can keep the load and strain on the vehicle as low as possible, that's the best way to do it. It will be safer for you, and better for the vehicle.
I don't have a machine to test power, but saw evidence of the boost in the way the truck operated. In many instances the transmission didn't need to downshift to maintain vehicle speed on a grade or hill.
