The Grand Rock 5 Inch I.D/O.D or O.D/O.D Diameter 30 Degree Elbow Pipe is a practical and versatile product that fits most makes and models. Made with aluminized material, it offers durability and longevity. With a 5 inch ID/OD or OD/OD diameter and 4 inches length on each side, it provides a perfect fit for various applications. The 5.5 inch center line radius ensures smooth airflow and efficient performance. Sold individually, this elbow pipe is a reliable choice for anyone in need of a high-quality and functional exhaust component.