The 6 Inch Diameter Curved Plain Bottom Chrome Plain Bottom Exhausts are a practical and reliable choice for truck owners. With an outer diameter of 18 inches and a length of 18 inches, these exhausts are designed to fit most makes and models. Sold individually and backed by a 1-year warranty from United Pacific, these exhausts offer durability and peace of mind. Upgrade your truck's exhaust system with this high-quality product that delivers optimal performance and functionality.