Porsche XperTune Performance Handheld Tuner For Porsche 955 Cayenne S (2003-2006) Models.

XperTune Performance Handheld Tuner, the modern and convenient way to unlock the maximum power potential of your Porsche 955 Cayenne S 4.5L V8 engine without compromising its smooth drivability or long-term reliability. This innovative device eliminates the traditional hassle of ECU bench flashing. Forget removing and mailing in your ECU – the XperTune handheld tuner connects directly to your vehicle's OBD-II port and your computer, streamlining the entire tuning process. Simply flash your Cayenne S with a custom Fabspeed ECU Tune using the included handheld tuner. Our performance ECU software upgrade optimizes various engine parameters, including sensor inputs, air/fuel ratios, and boost pressure (if applicable), to significantly improve horsepower, torque, and overall driving characteristics.

COMPATIBILITY:

• Fits all Porsche 955 Cayenne 4.5L V8 Vehicles.

POWER GAINS:

• Porsche 955 Cayenne S 4.5L V8:
  • Stock: 340 HP / 310 TQ
  • Tuned: 362 HP / 332 TQ

TUNING PROCESS:

1. Read Stock Data: Connect the XperTune Handheld to your vehicle's OBD-II port to read and save the original engine data.
2. Interface with Computer: Connect the Handheld to your computer and use the provided software to send the stock data file to Fabspeed Motorsport via email to tuning.
3. Custom Tune Creation: We use the data you provide about your vehicle to create a performance tune specifically tailored to your setup. This custom tune will be emailed back to you within 1-2 business days.
4. Flash Vehicle: Connect the XperTune Handheld back to your vehicle's OBD-II port and upload the custom Fabspeed ECU Tune to your car's ECU.

Returns subject to a 25% restocking fee.