The TPHD Aluminized Steel 12 Inch X 12 Inch OD 45 Degree Exhaust Elbow is a durable and reliable replacement for the Dynaflex Number 12PL-500. With a 5-inch inside diameter and 5-inch outside diameter, this exhaust elbow is designed for optimal performance and longevity. Crafted from high-quality aluminized steel, it offers superior corrosion resistance and heat protection. Its 45-degree angle allows for efficient exhaust flow, making it an essential component for any exhaust system. Upgrade your vehicle with this practical and high-performing exhaust elbow for a smoother and more efficient driving experience.