The Soul Performance Muffler Bypass Pipes - POR9971MBPBBC are high-performance exhaust pipes designed specifically for the Porsche 997.1 Turbo and Turbo S models. These pipes are made from high-quality T304L stainless steel and feature mandrel-bent tubing for optimal flow and durability. The bypass design allows for increased exhaust flow, resulting in improved horsepower and torque. These pipes also provide a more aggressive exhaust note and reduce weight compared to the stock muffler system. They are a direct bolt-on replacement for the factory muffler and do not require any modifications for installation. Upgrade your Porsche 997.1 Turbo or Turbo S with the Soul Performance Muffler Bypass Pipes for improved performance and sound.