Description
Unlock the full potential of your Porsche 991.2 GT3 or GT3 RS.
Softronic Performance Software is engineered specifically for the Porsche 991.2 GT3 platform, delivering increased horsepower, improved throttle response, stronger mid-range performance, and enhanced drivability while preserving the unmistakable character of Porsche’s naturally aspirated 4.0L flat-six.
Compatible with:
- 2018–2019 911 GT3 4.0L DFI
- 2018–2019 911 GT3 RS 4.0L DFI
Performance Gains
| Model | Factory Power | Tuned Power | Factory Torque | Tuned Torque |
|---|---|---|---|---|
| 991.2 GT3 | 493 HP | 523 HP | 339 lb-ft | 351 lb-ft |
| 991.2 GT3 RS | 513 HP | 540 HP | 347 lb-ft | 359 lb-ft |
Performance figures represent typical gains on premium 93-octane fuel.
Available Software Options
Depending on your vehicle and intended use, Softronic offers several optional programming features:
- Free-revving in Neutral
- Increased RPM limit (manual transmission where applicable)
- Race-use diagnostic code elimination
- Top speed limiter removal
- Custom tuning through datalog review when required
Note: Softronic does not recommend Cold Start High Idle Delete or the use of E85 fuel on these engines.
For additional information regarding advanced tuning features, ECU flashing, and supported fuel options, please refer to the Softronic FAQ and About pages.
Modified Vehicles
Vehicles equipped with aftermarket engine components or race-specific modifications may require a custom calibration.
If your Porsche already has Softronic software installed and you’ve added performance upgrades, GTCO can help you obtain the proper calibration to maximize performance while maintaining drivability and reliability.
What’s Included
Every Softronic Performance Software package includes:
- Vehicle-specific ECU calibration
- OBD-II programming cable
- Softronic flashing software
- One VIN software license
- Ability to return the vehicle to the original factory calibration at any time
Each software license is permanently assigned to a single vehicle VIN.
Why GTCO Chooses Softronic
At GTCO, we partner with manufacturers that combine proven engineering with measurable performance gains. Softronic has spent decades developing Porsche-specific ECU calibrations and pioneered consumer OBD-II ECU flashing, allowing Porsche owners to install performance software from their own garage.
For the Porsche 991.2 GT3 and GT3 RS, Softronic enhances one of Porsche’s finest naturally aspirated engines with improved throttle response, stronger mid-range performance, and a broader powerband while preserving the razor-sharp precision that defines the GT3 experience. Whether carving through mountain roads or chasing lap times at the circuit, the calibration delivers more performance without sacrificing the balance, responsiveness, and high-revving character enthusiasts expect from Porsche’s 4.0L GT3 platform.






Reviews
There are no reviews yet.