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 its practical design, this Y Pipe is a reliable and durable solution for your vehicle's exhaust system. It fits the OEM part number K180-14766 and is sold individually. Upgrade your exhaust system with this high-quality Y Pipe for improved performance and efficiency.