Porsche continues on with another version of the GT4....PDK, roll cage, and2866 lbs.
"The motorsport version will be eligible for various racing series around the world, including several in the States. Homologation is being sought for the Continental Tire SportsCar Challenge, the Pirelli GT3 Cup Trophy, and the Pirelli World Challenge."
Porsche Cayman GT4 - Clubsport package - Porsche AG
Porsche Makes More Cayman GT4 with New Clubsport