The Peterbilt 579 2013 And Newer Cab/Sleeper/Extender Kit is a practical and versatile solution for your trucking needs. Designed for underbody exhaust models, this kit is available in stainless steel and includes cab skirts and 80-inch sleeper skirts with an extender. Each skirt features amber LED lights, measuring 3 inches wide for enhanced visibility. The driver side also has 2 block heater cutouts for added convenience. With hardware, lights, and harness included, this kit fits most Peterbilt 579 2013 and newer makes and models. Upgrade your truck with this reliable and functional kit.