Fabspeed XperTune for Porsche 957 Cayenne Turbo / Turbo S (2008–2010)

Pair the 957 Turbo or Turbo S 4.8-liter calibration with its actual controller. The listed MyGenius device handles original-file reading and programmed-file writing through OBD-II. Based in Fort Washington, Pennsylvania, Fabspeed Motorsport designs exhaust, intake and ECU-tuning products for Porsche and other sports cars. Development includes evaluation on a dynamometer, on the road and at the racetrack.

Technical Details

• Manufacturer product reference: FS.POR.957T.ET.
• Turbo and Turbo S have different starting output levels; do not treat published gains as identical.
• Bench flashing is available only by prior arrangement.
• Includes the listed OBD-II handheld programming device, linked to one vehicle.
• Requires a Windows PC; macOS is not supported.
• Submit stock ECU data, fuel specification and a completed vehicle/modification form.
• Retained stock-file restoration follows the supplied procedure; confirm current file turnaround and any additional service fees.

Use restrictions

The calibration must retain required emissions controls. Fabspeed excludes requests to disable emissions equipment or its monitoring.

Installation Resources

• MyGenius Tuner (PDF)
• Handheld ECU tuning guide (PDF)

Manufacturer Videos

Fabspeed XperTune Handheld Tuner Tutorial | Including MyGenius Software Tutorial

Demonstration vehicles may have additional modifications. The selected product configuration determines what is supplied; a video does not establish fitment or guarantee a particular sound or output.

Need help matching this part? PMB Performance brings over 20 years of parts and fitment experience. Send your VIN, ECU reference, fuel and modification list so we can help verify the application before you order.

Fitment & Compatibility