For the Porsche 911 Carrera 4S, TECHART has developed two versions of a new exhaust system, The Sport and Racing version. The “Sport” version, for instance, features two rear mufflers with an exhaust flap, an exhaust flap control unit in addition to double-oval tailpipes in a polished or black chromium finish.
The “Racing” version is also equipped with two stainless steel high-performance headers and a sports catalyst.