The Peterbilt 15.83 Inch Long Stainless Steel Exhaust Bellow is a reliable and practical product designed to enhance your vehicle's exhaust system. With a 3-7/9 inch outer diameter and 3-5/6 inch inner diameter, it ensures a secure fit. Made from durable stainless steel, this exhaust bellow is built to last. It is 15.83 inches long, 3.5 inches wide, and 3.5 inches tall, providing optimal performance. This product is EPA 07 compliant and can be directly replaced with OE parts. Compatible with most Peterbilt makes and models, it is a convenient and efficient choice.