Softronic 991.1 & 991.2 Turbo / Turbo S ECU Upgrade
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The Softronic tuning suite for the Porsche 991 platform delivers substantial improvements in power delivery, throttle response, and overall drivability while maintaining OEM-like refinement. Designed for easy installation through the vehicle’s OBD-II port, the Softronic flashing system allows owners to upgrade performance from the comfort of their garage without removing or shipping the ECU.
Whether your vehicle remains factory stock or features common bolt-on upgrades, Softronic calibrations are engineered to maximize performance while preserving reliability and smooth daily operation.
Softronic Performance Figures
| Model | Factory HP | Factory TQ | Tuned HP | Tuned TQ |
|---|---|---|---|---|
| 991.1 Turbo | 520 HP | 523 TQ | 620 HP | 640 TQ |
| 991.1 Turbo S | 560 HP | 553 TQ | 630 HP | 650 TQ |
| 991.2 Turbo | 540 HP | 487 TQ | 660 HP | 647 TQ |
| 991.2 Turbo S | 580 HP | 516 TQ | 700 HP | 660 TQ |
| 991.2 GT2 RS | 690 HP | 553 TQ | 800 HP | 705 TQ |
All performance figures are based on 93-octane fuel and represent typical gains on otherwise stock vehicles.
Each kit includes the required OBD-II interface cable and Softronic flashing software. Licensing is VIN-specific and supports flashing for one vehicle only.
About Softronic
Based in Connecticut, Softronic has spent nearly three decades developing advanced software calibrations and electronics for Porsche vehicles ranging from street-driven cars to professional race programs.
Known throughout the Porsche community for its technical depth and OEM-level understanding of Bosch engine management systems, Softronic has built a reputation around fast, accurate ECU flashing technology and highly refined calibration strategies. Their proprietary flashing platform is capable of reading and writing complete control units in a fraction of the time required by many competing systems, often completing the process in just minutes.
Beyond software development, Softronic has remained heavily involved in motorsports and Porsche data analysis, serving as a long-time technical advisor within the Porsche racing community. Their experience spans everything from endurance racing and club competition to high-horsepower street builds exceeding 1,000HP.
Rather than chasing dyno numbers alone, Softronic places heavy emphasis on drivability, reliability, and real-world performance. The result is a tuning solution that feels cohesive, predictable, and factory-integrated rather than overly aggressive or compromised.
The Softronic system gives owners full control over their ECU flashing process, including the ability to load updated files or return the vehicle to stock calibration when applicable. The included software connects directly from a Windows-based laptop to the vehicle through the supplied OBD-II to USB interface cable.
Please note: Softronic software currently supports Windows® 32-bit and 64-bit operating systems only. Mac® systems require Bootcamp or a Windows-based virtual environment for operation.
