Porsche Cayenne S DFI (2008-2010) GIAC Performance ECU Software
GIAC
GIAC maintains the only true switchable software program for the Porsche Cayenne S. Power gains have been measured at:
- 20 wheel horsepower and 32 wheel torque on pump gas
- Estimated crankshaft power output of 412 horsepower and 413 lb. ft. of torque on pump gas
Hardware requirements:
- Intake filter (recommended)
Price includes the following performance modes, in addition to a handheld switcher:
- Stock
- Pump gas performance
Other benefits to GIAC software include:
- Improved fuel economy
- Improved throttle response
- Removed speed limiter
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