The Peterbilt Replacement Pipe PBF-718 is a practical and durable solution for replacing the Peterbilt Part PBF-718. Made of stainless steel, this straight 7" x 18" ID/R5" ID pipe is designed to fit most Peterbilt makes and models. With its high-quality construction, this replacement pipe offers a reliable and long-lasting solution for your Peterbilt truck. Upgrade your exhaust system with the Peterbilt Replacement Pipe for improved performance and efficiency.