I don't remember reading any post installing that on an AV. I know I use a Cargo Pro bed slide device to avoid having to climb into the bed. Have used it since 2004 and is my family's favorite mod. Great for groceries or even large furniture. They are no longer made but this company make a great product and you may have to call them to get the AV version they used to make.
https://www.bedslide.com/