The Grand Rock 3.5 In I.D/O.D Diameter 90 Degree Elbow Pipe is a practical and versatile solution for most makes and models. Made with aluminized material, this pipe offers durability and longevity. With a 3.5-inch ID/OD and available in 8, 12, or 16 inches long on each side, it provides flexibility for various applications. The 4-inch center line radius ensures a smooth flow of exhaust gases. Sold individually, this elbow pipe is a reliable choice for enhancing your vehicle's exhaust system.