The Freightliner Replacement Exhaust Elbow is a practical solution for replacing the OEM part number 04-17555-000. With a 5" diameter, this exhaust elbow is designed to fit seamlessly and ensure optimal performance. Its durable construction guarantees long-lasting use. Whether you're a professional mechanic or a DIY enthusiast, this product offers a reliable and cost-effective solution for your Freightliner's exhaust system needs.