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, giving drivers the ability to control the aggressiveness of their exhaust note. The system is made from high-quality T304L stainless steel and is mandrel-bent for maximum flow and durability. It also includes a set of high-flow catalytic converters for improved performance. This exhaust system is a direct bolt-on replacement for the stock system, making installation simple and hassle-free. With its combination of performance, sound, and quality, the Soul Performance Valved Exhaust System is the perfect choice for Porsche GT4 owners looking to enhance their driving experience.