The Soul Performance Performance Exhaust System is a high-quality aftermarket exhaust system designed specifically for the Porsche 911 GT4. It is made from premium materials and features a straight-through design for maximum flow and performance. The system includes a set of high-flow headers, a high-flow catalytic converter, and a high-performance muffler. It also has a dual-tip design for a sporty look and a deep, aggressive exhaust note. This exhaust system is a direct bolt-on replacement for the stock exhaust and is designed to improve horsepower, torque, and overall engine performance.