The Freightliner 20.7 Inch Stainless Steel Exhaust Bellow is a practical and reliable product designed to enhance your vehicle's performance. With a diameter of 4-5/7 inches, it ensures efficient exhaust emission in line with EPA 07 standards. Made from durable stainless steel, this bellow is built to last. Measuring 20.7 inches long, 5 inches wide, and 5 inches tall, it is a direct OE replacement for most Freightliner makes and models. Sold individually, it can be easily installed, providing a hassle-free solution for your exhaust system needs. Replace your old parts with confidence using the direct OE replacement number: 429405000.