The Navistar Replacement Pipe is a practical solution for replacing the OEM part number Navistar 437040-CI. This replacement pipe features a 35-degree elbow and a 5" O.D. - O.D. design, made with aluminized material. With its durable construction and easy installation, this replacement pipe offers a reliable solution for your Navistar vehicle. Sold individually, this product provides a cost-effective and efficient option for maintaining the performance of your vehicle's exhaust system.