This 5-inch diameter Y Pipe features a one-piece construction and is made of aluminized material. It is designed to fit most Kenworth W900B, L, T600, and T800 models from 1982 to current makes and models. With a practical and durable design, this Y Pipe is a reliable choice for your vehicle's exhaust system. It fits OEM Part Number K180-7528 and is sold individually. Upgrade your exhaust system with this high-quality Y Pipe for improved performance and longevity.