Porsche 991 Turbo S GIAC Performance ECU Software Upgrade Q5 and offer better performance and

and offer better performance and reliability in high boost

Ready for an oil change

This is a proprietary ECU flash that allows significant power gains while maintaining factory levels of drivability

of torque on 100 octane

Better feel and handling than stock

Porsche 991 Turbo S GIAC Performance ECU Software Upgrade Q5 and offer better performance andThis software upgrade from GIAC is a complete remap of your factory DME. This means that there are no external modules (also known as piggyback ECU's), or OEM performance files. This is a proprietary ECU flash that allows significant power gains while maintaining factory levels of drivability. Power gains with this upgrade are: 33 wheel horsepower on pump gas 60 wheel torque on pump gas Estimated crankshaft power output of 597 horsepower and 614 lb.