The 3″/2.5″ Cat-Back Exhaust (S5204AL) is a high-performance exhaust system designed for vehicles with dual side exits. Its Tour Profile and Armor Lite construction provide a sleek and durable design, while its 3″/2.5″ diameter allows for improved exhaust flow and increased horsepower. This exhaust system is a must-have for any car enthusiast looking for enhanced performance and a stylish look.