Porsche 991 GT3 3.8 DFI ECU Tuning File – MED17.1.11 544999 (Track-Focused Remap) Stage 2 - Product specifications
Advanced Stage 2 calibration for the naturally aspirated Porsche 991 GT3 with 3.8L DFI engine and Bosch MED17.1.11 ECU. This file enhances throttle precision, mid-range torque, and high-rev responsiveness, while retaining original emissions equipment. Designed for serious track-day drivers who demand the most from their flat-six without compromising daily usability. Dyno-developed and partially coded via CMD Flash interface.
Overview Feature list Copyright info Releases (1) Discussion
- Stage 2 remap for Porsche 991 GT3 3.8L DFI on Bosch MED17.1.11
- Throttle response sharpened across the RPM range for track-focused drivability
- VVT and torque structure re-optimized for faster rev rise and punchier midrange
- Fuel, ignition and lambda strategies adjusted for performance fuel types
- All stock emissions components (catalyst, O2 sensors) retained and monitored
- Dynamic rev limiter and gear-dependent torque limits reconfigured
- Flash-ready via CMD Flash — no patching needed
- Supplied as full binary for direct ECU writing
- Dyno-tested calibration under real load and temp conditions
- Recommended for off-road/motorsport use — ensure compliance with local laws