The Peterbilt 389 2014-2017 Cab Skirts are a practical and beneficial addition to your truck. Designed for use with long hood models, these cab skirts are available in stainless steel and are to be used with TRP cowl panels. The driver side cab skirt measures 3 inches wide, while the passenger side cab skirt measures 1.75 inches wide. These plain cab skirts, sold in pairs, mount to the underside of the cab using supplied hardware. Although some drilling is required, they fit most Peterbilt 389 2014-2017 makes and models, making them a versatile and reliable choice.