Over the Labor Day weekend, we traveled to Colorado and when we arrived at our site and was setting up, my DW went to move the living area slide out and we heard this awful pop, I looked at how we wer...
Adding a tube under the main frame rail whether it be by an individual or from the factory should have had a crossmember at least on the front and rear to tie both sides together. Even a vertical support up to the top of the main frame rail could have prevented that, but like others have said, its all about saving money and making them as cheap as possible. Building one correctly wouldn't cost that much more!! That looks like a quick and sloppy fix to fit the newer higher trucks!