Normal
While nothing is 100% The RPG kit is definitely a 99.9% solution. I say 99.9% because I'm sure there's some crazy way something could still happen. It will actually straighten out a bent frame. I know that one from experience, and when you hit those special bumps that try to bend your frame and donkey kick the rear of the truck violently, the kit will soak it up and the rear will still come up a bit, but it'll do so in a controlled and smooth manner and your frame will still be intact.
While nothing is 100% The RPG kit is definitely a 99.9% solution. I say 99.9% because I'm sure there's some crazy way something could still happen.
It will actually straighten out a bent frame. I know that one from experience, and when you hit those special bumps that try to bend your frame and donkey kick the rear of the truck violently, the kit will soak it up and the rear will still come up a bit, but it'll do so in a controlled and smooth manner and your frame will still be intact.