The Evolution MotorSports Performance software for the Porsche 991 GT3 is a simple yet effective way to improve the performance of a completely stock or slightly modified 3.8L engine. Our rigorous testing, attention to details and stringent quality control ensures this upgrade is in a league of its own in terms of power and engine safety. Thoroughly tested on both the street and racetrack with both 91 and 93 octane pump fuels. The seamless integration of our software tuning enhances the overall power and drivability of this engine for uncompromised performance.

EVOMSit ECU Features include:
- Stage 1 software programmed for stock exhaust / standard OEM catalysts
- Stage 2 software programmed for aftermarket exhaust / standard OEM catalysts
- Stage 3 software programmed for aftermarket exhaust, sport headers / high flow catalysts
- Takes advantage of the untapped potential of the engine without excessive mechanical stress
- ~17 HP / ~8 ft.lb. TQ Gain – Software Alone
- Dyno Tested on 91 Octane Fuel. 93 Octane mapping yields slightly higher power gains
- All engine protection functions remain intact
- OBDII diagnostic capability is fully retained
- Calibrations for both 91 octane (95 RON) and 93 octane (98 RON) specific fuel
- Improved throttle response / overall drivability
- Enhanced Launch Control Functions
- Extensively tested, performance validated
- All tuning done in house – Same day turnaround

*Due to the architecture of this Bosch MED17 password protected ECU, OBD port flashing is not an option. ECU’s must be removed from the vehicle and flashed on the bench with our proprietary password reader / flashing tools.

Email [email protected] or call +1.480.317.9911 for more information...