New to this stuff. Hope I am posting in the right place. Anyone looking for a set of GM dealer installed 6" oval tube steps, I believe they are stainless and fit a 2500 hd deisel crew cab. They are on my 2012 duramax. I want to put a set of westin boards on. They were on the truck when I bought it, it has only 5000 miles on it. Want &400.