Porsche GT3 Side Muffler Bypass
More Sound. More Horsepower. No Interior Drone. Are you looking for cup car sound and performance without sacrificing drivability for your Porsche 997.1/991.2? Then you need the Ardent Active Side Muffler Bypass pipes. Hand-crafted in the USA, they eliminate unwanted cabin drone and excessive street noise while improving sound and car handling. How it Works. The Ardent Side Muffler Bypass Systems provides better exhaust flow using a factory-style actuator-controller valve. It allows sound and performance in higher rpm/higher load ranges while eliminating unwanted cabin drone. This lightweight system save 40 lbs while improving handling, increasing torque between 2,600 and 5,600 rpm, AND INCREASING HORSEPOWER! Features. 40 lb weight reduction from OEM Factory-Style Actuator-Controller Valve Easy Installation & Proper Fitment 100% built in USA in Phoenix AZ 304/321 Stainless Steel Construction with Brush Finish DISCLAIMER: All installation-risk and use-risk is borne by the end-