The Carbon Steel 7 Inch Expanded/Slotted Straight Stack is a practical and versatile product that fits most makes and models. Made from durable carbon steel, this 48-inch long stack is designed with an expanded/slotted straight shape, providing excellent performance and efficiency. With a 7-inch inner diameter, it ensures optimal airflow and exhaust. Whether you need to replace an old stack or upgrade your system, this product offers reliability and functionality. Its high-quality construction and compatibility make it a valuable choice for any application.