You will have to have him call dealer central, it is standard now so in their standard operation it was removed as an option and noone thought to reinstall it as a field installed option. As a suggestion, you might order one piece from parts 71386776 and ,shh, take it to a sheetmetal place and have them bend a galvanized piece of home AC ducting to match. You might even raise the front lip abit higher and form a "^" shape more aggressive than factory. The hinges are 71387491 and are a bit pricey and can be made from pattern as well if y ou have the time from an old wear plate and tube. Hinge rods are a piece of cake or one can order them. Keep in mind they will not replace the feather sheets, these lay on top of them. Broken sheets will have be replaced or they will mess up the float.