The Porsche 991.2 Performance Tuning Software from Softronic works on the 991.2 GT3 and GT3RS DFI from 2018+:
Pops and Bangs is available for this also in which is the factory gurgling that certain Porsche cars have on deceleration
|Model||Base BHP||Base Torque||Tuned BHP||Tuned Torque|
|GT3RS DFI S||513||347||540||359|
*This product comes with a OBD2 cable, and software... that allows flashing for only 1 vehicle as it is tied to that vehicle's VIN.