The Kenworth W900L 2007 And Newer Aerocab Sleeper Skirts With Extender are a practical and beneficial addition to your truck. Made from stainless steel, these skirts are designed specifically for trucks with 72-inch sleepers and side mount exhaust. They must be purchased as a continuation of the sleeper skirt and come in pairs with included hardware. These skirts fit most Kenworth W900L 2007 and newer makes and models, providing a sleek and functional upgrade to your truck's appearance.