@stage4tuning: The only guys tuning the 992 GT3RS just applied some more pressure… on-the-fly driver selectable map switching via cruise control. Pump gas, E85, flames… the works. All on stock ECU. No gimmicks, just results. How’d we do it?🤫 Hit the DM! #stage4tuning #s4t #porsche #porsche992 #porsche992gt3rs #992 #992gt3rs #ecutuning #tuningcar #mapswitching #foryou #gt3rs #fypage #foryoupage