The 5 Inch By 51 Inch Exhaust Muffler is a practical and reliable product made of heavy gauge steel with aluminized plating. With a 5 inch inner diameter and outlet diameter, it fits most makes and models. The muffler body has a diameter of 10 inches and a length of 44 - 1/2 inches, resulting in an overall length of 51 inches. This exhaust muffler is interchangeable with M100465, 86682M, and 86130M, making it versatile and convenient. Its durable construction ensures long-lasting performance, providing a reliable solution for your vehicle's exhaust system needs.