The 4 Inch ID 12 Inch Long Aluminized Curved Top Stack is a practical and versatile product that fits most makes and models. With a curved style and a length of 12 inches, it offers convenience and functionality. Made with aluminized material, it ensures durability and longevity. The stack has a 4-inch inner diameter, making it suitable for various applications. Sold individually, this stack is a reliable choice for those seeking a high-quality and efficient solution.