The Peterbilt 20.55 Inch Long Stainless Steel Insulated Exhaust Pipe With Bellow is a high-quality product that offers durability and functionality. With its stainless steel construction, it ensures long-lasting performance. Measuring 20.55 inches long, 13.15 inches wide, and 5.75 inches tall, it fits most Peterbilt makes and models. This exhaust pipe is directly replaceable with OE parts, making installation hassle-free. It also meets the EPA 10 exhaust emission norm, ensuring compliance with regulations. Made in the USA, this product guarantees superior quality and is sold individually. Direct OE replacement numbers M666921003 and M666921004 further enhance its practicality.