GIAC Stage 1 Plus adds horsepower, torque and more throttle response throughout the power band. This calibration is compatible with vehicles that have no other upgrades to basic “bolt-ons”. Addition of a BMC high-flow air filter and exhaust system will increase overall performance.
Tuning for the 2014-2015 Porsche 991 Turbo and Turbo S requires accessing the vehicle’s OBD-II port. On-site tuning at your home is available, based on location.
991 Turbo GIAC Tuned: 595 HP / 595 LB-FT OEM: 520 HP / 487 LB-FT DIFF: +75 HP / +108 LB-FT
991 Turbo S GIAC Tuned: 600 HP / 600 LB-FT OEM: 560 HP / 553 LB-FT DIFF: +40 HP / +47 LB-FT
HP and Torque figures are average engine estimates derived from wheel power and acceleration testing. Figures based on 91 octane fuel. Use 93 octane when available for optimum results.