The Grand Rock 4 Inch O.D/O.D Diameter 90 Degree Elbow Pipe is a practical and versatile product that fits most makes and models. Made with aluminized material, it ensures durability and longevity. With a 4-inch OD/OD diameter and available in various lengths, including 6, 8, 10, 12, 15, 18, or 18 x 29 inches, it offers flexibility for different applications. The 4.5-inch center line radius adds to its functionality. This product is sold individually and is designed to provide reliable performance, making it an excellent choice for any project or vehicle.