The Freightliner 14.2 Inch Long Stainless Steel Exhaust Bellow is a durable and reliable product designed to enhance your vehicle's exhaust system. With a 4-1/6 inch outer diameter and 3-7/9 inch inner diameter, it offers a perfect fit for most Freightliner makes and models. Made from high-quality stainless steel, this exhaust bellow ensures long-lasting performance and is directly replaceable with OE parts. With a width and height of 5.12 inches, it provides optimal exhaust emission control, meeting EPA 10 standards. This product is sold individually and is a practical and efficient solution for maintaining your vehicle's exhaust system.