The Peterbilt 579 2013 And Newer Cab/Sleeper/Extender Kit is a practical and versatile solution for Peterbilt 579 owners. This kit, available in stainless steel, is designed specifically for underbody exhaust models. Each skirt is plain, without lights, and measures 2.5 inches wide. The driver side skirt even features a block heater cutout. The kit includes cab skirts and 72-inch sleeper skirts with extenders, making it a comprehensive package. With hardware included, it fits most Peterbilt 579 2013 and newer makes and models. Upgrade your truck with this high-quality kit for enhanced functionality and style.