Our introductory tuning package for the 997 includes a full turbo-back exhaust with free-flowing 200-cell sport cats and double-walled stainless exhaust tips. This exhaust features modular construction, so you can easily swap in our (optional) catalyst-free Switzer test pipes for trackday events. Our P550 kit also ships with a high-flow BMC air filter and SOFTRONIC programmer/scan-tool, so we can tune and support your Porsche, no matter where you are.