Porsche offers 'Ring-proven Manthey kit for 718 Cayman GT4 RS
Porsche has a new, eye-wateringly expensive track package for the 718 Cayman GT4 RS. As if the 493-horsepower track-day special wasn't already nutty enough, this new package was put together based on the kit that was fitted to the car that carved more than six seconds off the stock GT4 RS's 'Ring time in the hands of Porsche pro driver Jörg Bergmeister.