This Carbon Steel Plain End Curved Top Stack is a practical and durable solution for reducing the diameter of your exhaust system. With a reduction from 6 inches to 5 inches, it fits most makes and models and is sold individually. Made from high-quality carbon steel, this stack is built to last and features a plain end and curved top design. Measuring 48 inches in length, it's a reliable choice for improving the performance of your vehicle's exhaust system.