Porsche 991 Turbo GIAC Performance ECU Software Upgrade F80 M3 - Estimated crankshaft power output

- Estimated crankshaft power output of 320 horsepower and 307 lb

you are missing out on as much as 25 wheel horsepower

NEUSPEED Aluminum Discharge Pipe Flow: 500 CFM

This time was measured in a density altitude of ~1700 feet

Porsche 991 Turbo GIAC Performance ECU Software Upgrade F80 M3 - Estimated crankshaft power outputThis 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: 53 wheel horsepower and 46 wheel torque on 91 octane 102 wheel horsepower and 64 wheel torque on 100 octane Estimated