Porsche 991 GT3 & GT3 RS Softronic Performance Software

Description

Unlock the full potential of your Porsche 991 GT3 or GT3 RS.

Softronic Performance Software is engineered specifically for the Porsche 991 GT3 platform, delivering increased horsepower, stronger mid-range torque, sharper throttle response, and enhanced drivability while preserving the exhilarating character of Porsche’s naturally aspirated GT3 engine.

Compatible with:

• 2014–2017 911 GT3 3.8L
• 2016–2017 911 GT3 RS 4.0L
  

  Performance Gains

  Model	Factory Power	Tuned Power	Factory Torque	Tuned Torque
  991 GT3	475 HP	515 HP	324 lb-ft	354 lb-ft
  991 GT3 RS	500 HP	530 HP	339 lb-ft	363 lb-ft

  Performance figures represent typical gains on premium 93-octane fuel.

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  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
  • Permanent Sport mode activation on supported vehicles
  • Engine conversion calibrations
  • 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 engine conversions may require a custom calibration.

  If your Porsche already has Softronic software installed and you’ve added performance upgrades or completed an engine conversion, GTCO can help you obtain the proper calibration to maximize performance while maintaining drivability and reliability.

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  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.

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  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 GT3 and GT3 RS, Softronic refines an already exceptional naturally aspirated platform with improved throttle response, stronger mid-range torque, and a broader powerband while preserving the razor-sharp character that defines Porsche’s GT3 lineage. Whether you’re chasing faster laps or enjoying one of Porsche’s most engaging road cars, the calibration complements the precision and responsiveness enthusiasts expect from the GT3 badge.