The Soul Performance Valved Exhaust System is a high-performance exhaust system designed specifically for the Porsche 911 GT4. It features a valve system that allows for adjustable sound levels, providing a more aggressive exhaust note when desired. The system is made from premium T304L stainless steel and is mandrel-bent for optimal flow and durability. It also includes high-flow catalytic converters for improved performance. The exhaust system is designed to increase horsepower and torque while reducing weight compared to the stock exhaust. It is a direct bolt-on replacement and includes all necessary hardware for installation.