The Kenworth and Peterbilt Stainless Steel Exhaust Bellow is a reliable and practical solution for your truck's exhaust system. With a length of 11.37 inches, outer diameter of 5-3/4 inches, and inner diameter of 4-5/7 inches, this bellow is designed to fit most Kenworth and Peterbilt makes and models. Made from high-quality stainless steel, it ensures durability and longevity. This exhaust bellow is directly replaceable with OE parts, making installation hassle-free. With its EPA 10 exhaust emission norm compliance, it guarantees optimal performance. Sold individually, this bellow is a cost-effective choice for maintaining your truck's exhaust system.