2. You never know what to expect when you get work done to your truck. Two exhaust hangers were added to fit this high-flow, shorty exhaust to our Duramax. The last hanger was welded right to the bottom of the framerail in plain view. This not only looked bad, but the welds looked like ABC gum-not to mention they welded to the frame, instead of a crossmember. You want to weld as little to the frame as possible, especially for something as trivial as an exhaust hanger.