The Peterbilt D3S 11.57 Inch Exhaust Flex Hose is a high-quality product designed to enhance your vehicle's performance. With its stainless steel construction, it ensures durability and longevity. This exhaust flex hose is 11.57 inches long, with a 3-7/9 inch outer diameter and a 3-5/6 inch inner diameter. It is sold individually and made in the USA, making it a reliable choice. With direct OE replacement numbers, it is easy to install and fits most Peterbilt makes and models. Clamps and gaskets are included, making the installation process hassle-free. Upgrade your vehicle's exhaust system with this reliable and practical flex hose.