The ultimate package for power for your 991.2 GT2RS. Stage 1+ includes the tuning and hardparts you need for a great setup whether it be on street or track. 

Stage 1+ package includes: 

- M-Tuner for 991.2 GT2 RS
- IPD Plenum for 991.2 Turbo / Turbo S / GT2RS
- IPD High Flow Y-Pipe for GT2RS

Our OTS maps for Stage 1 and Stage 2 are compatible with the IPD parts offerings. 

We are proud to announce our new M-Tuner suite which covers all 991.2 models of Porsche. World-renowned for the 992 platform, we are now here to bring the industry leading software and engineering to 991.2. 

M-Engineering has been at the forefront of Porsche ECU tuning, and has spent countless hours of research and development to provide reliable performance improvements.

Our M-Tuner Calibration Suite will allow at-home OBD flashing, no ECU removal is necessary. Our software also features the ability to read and clear engine faults, datalog, view live data, and flash back to stock at your convenience.

ALSO AVAILABLE: 991.2 PDK Tuning! 

Adjustments are made to improve the throttle response, adjust air/fuel ratios, increase boost, and modify ignition timing and much more to improve the overall driving performance of the 3.8L twin-turbocharged engine. M-Engineering still utilizes all OEM ECU engine safety strategies.

Compatible with all 991.2 GT2 RS models. This includes the street car, Clubsport, EVO/MR, and 935. 

What's Included?

• M-Tuner v3 Dongle for wireless OBD Flashing with On-The-Fly Live Map Switching
  
• M-Engineering maps built for your 991.2 Turbo (91, 93, and 100 octane) (100 octane only for Clubsport/935/MR cars)(see calibration notes)
• Ability to go back to stock
• M-Engineering Support

Stage 3 cars (upgraded intercoolers) will use Stage 2 calibrations. 

ProTuning is available for Stage 4 (upgraded turbos), built motors, and ethanol blends. 


Auto Start/Stop function is disabled on all OTS maps. PSE Valve Mod for GT2RS (forces valves open 100% on PSE Exhaust) is also enabled. 

These are the current vehicles supported by this version of M-Tuner. Please review our calibration notes for more information regarding hardparts requirements, octane requirements, and additional dyno plots. 

991.2 GT2RS
991.2 GT2RS Clubsport (100 octane only)
991.2 GT2RS EVO/MR (100 octane only)
935 (100 octane only)

Our installation instructions are located here. 

GT2 RS:

Stage1

• 91 Octane (R+M)/2 or 95 RON

  

   

• 93 Octane (R+M)/2 or 98 RON

  

   

• 100 Octane (R+M)/2 or 103 RON