The Peterbilt 388 and 389 2007 and newer extended exhaust shield is a practical and durable product made of stainless steel. It features oval cutouts and is designed for use with 4-inch wide skirting. This exhaust shield is not to be used on 389 models with 36-inch sleepers and is sold in pairs. It fits most Peterbilt 388 and 389 2007 and newer makes and models. With its high-quality construction and compatibility, this exhaust shield provides added protection and functionality for your vehicle.