991.2 Carrera Performance Software (2017+) The 991.2 Carrera Performance Tuning Software from Softronic works on the 991.2 Carrera, CarreraS and Carrera GTS from 2017+: : 2017+ Carrera with 3.0 liter DFI engine 2017+ Carrera S and GTS with 3.0 liter DFI... MSRP: Was: Now: $1,495.00 Choose Options