Upgrade your Peterbilt 388 2007 and newer or 389 2014 and newer with these sleeper extender skirts. Available in stainless steel, these skirts are designed for 36 inch, 48 inch, or 63 inch sleepers and measure 3 inches wide. They are made to continue TRP sleeper skirts to the end of the factory sleeper extender and are sold in pairs with hardware included. These plain skirts are practical and add a sleek look to your truck without any lights. They fit most Peterbilt 388 2007 and newer and 289 2017 and newer makes and models.