This 3-inch 45-degree exhaust elbow is perfect for custom exhaust fabrication or replacement projects. It features a 3-inch inside diameter (ID) on one end and a 3-inch outside diameter (OD) on the other, allowing for an easy slip-fit connection between pipes. Made from durable aluminized steel, this elbow resists rust and corrosion while maintaining strength under high-heat conditions. The smooth mandrel bend ensures unrestricted exhaust flow, improving efficiency and performance compared to standard crush-bent pipes. Ideal for diesel trucks, hot rods, or performance exhaust systems, this 45-degree elbow offers a clean, professional solution for routing exhaust tubing while maintaining optimal flow.