The Kenworth and Peterbilt D3S 11.34 Inch Exhaust Flex Hose is a durable and reliable product made in the USA. Constructed from stainless steel, it is 11.34 inches long with a 5-3/4 inch outer diameter and 4-5/7 inch inner diameter. This direct OE replacement part comes with clamps and gaskets included, making it easy to install and environmentally friendly by reducing waste. It fits most Kenworth and Peterbilt makes and models, providing a practical and cost-effective solution. With direct OE replacement numbers KW65420320, M6665420320, and OTR58508, this exhaust flex hose is a high-quality and sustainable choice for your vehicle.