The 6 Inch to 5 Inch Plain End Curved Top Stack is a practical and high-quality product that fits most makes and models. With a reduced outside diameter of 6 inches to 5 inches, this stack is 36 inches tall and features a plain end and chrome plating. It is sold individually and is OEM quality. This stack is perfect for those looking for a reliable and durable option that will enhance the performance of their vehicle.