SKU: POR.958T.ET
Porsche 958 Cayenne Turbo / Turbo S XperTune Performance Software (2011-2014)
Unlock substantial power in your 2011-2014 Porsche 958 Cayenne Turbo or Turbo S with Fabspeed XperTune Performance Software. This ECU tune adds over 99 wheel horsepower and 140 ft-lbs of torque while maintaining reliability and daily drivability. Flash easily using the included handheld device connected to the OBD-II port without removing the ECU.
Key Features
- Power Gains: Dyno-tested increases from 449 whp/515 ft-lbs stock to 536 whp/620 ft-lbs tuned with peak gains over 99 whp and 140 ft-lbs at 6000 RPM
- Handheld Tuner Included: Interfaces with OBD-II port and Windows PC for reading stock data emailing to Fabspeed and writing custom tune back to vehicle
- Custom Tuning Process: Send vehicle data via email receive tailored ECU file in 1-2 business days based on your setup and modifications
- Reversible Flashing: Switch back to stock map anytime using the handheld no need to mail ECU preserving warranty options
- Enhanced Driveability: Smoother throttle response higher boost levels and refined feel pairs best with Fabspeed Secondary Cat Bypass Pipes
Product Notes
- Review MyGenius ECU Tuning Guide and submit ECU Tuning Information form detailing mods for optimal results
- Requires Windows PC access Mac OS not supported handheld pairs to one vehicle only
- Special requests or tune upgrades may incur extra fees contact Fabspeed for bench flashing option
Installation Notes
- Professional installation recommended.
- Follow 5-step OBD-II process read stock data email to Fabspeed receive custom file flash vehicle
- Watch Fabspeed XperTune tutorial video for handheld setup no hardware modifications needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011-2014 | Porsche | Cayenne | Turbo |
| 2011-2014 | Porsche | Cayenne | Turbo S |
Why Choose Fabspeed?
- Proven dyno results from in-house testing on Dynojet by expert tuners
- Custom files match your exact vehicle and mods for reliable power
- Motorsport engineering ensures seamless integration and real-world gains
Frequently Asked Questions
-
Q: What vehicles does this tune fit?
A: Designed for 2011-2014 Porsche 958 Cayenne Turbo and Turbo S 4.8L twin-turbo models confirm fitment with Fabspeed -
Q: Do I need a PC for tuning?
A: Yes Windows computer required to transfer files between handheld and Fabspeed Mac not compatible -
Q: How long until I get my custom tune?
A: 1-2 business days after emailing stock data and vehicle info form
Shipping & Handling
- Method: UPS Ground or FedEx standard shipping
- Availability: In stock - ships same or next business day
- Packaging: Compact box 9 x 7 x 3 inches
- Weight: 1.5 lbs
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