Fabspeed XperTune for Porsche 991.2 GT3 / GT3 RS

Prepare a calibration matched to the later 991 GT3 or RS ECU and naturally aspirated engine. Confirm whether initial bench access or unlocking is needed before using the specified handheld process. Fabspeed Motorsport designs performance exhaust systems, air intakes and ECU tuning in Fort Washington, Pennsylvania. Porsche and other sports-car applications are developed through dyno testing, road evaluation and racetrack work.

Before you order

Confirm initial ECU access, unlock or shipping requirements before purchasing the calibration. Supply the exact controller reference and vehicle modifications.

Technical Details

• Manufacturer product reference: FS.POR.9912GT3.ET.
• Windows PC required; handheld links to one vehicle.
• Submit original controller data and vehicle/modification information.
• Confirm any initial bench unlocking requirement before attempting the handheld process.
• Confirm supplied equipment, ECU access and any necessary shipment before removal.
• Published GT3/RS output figures are not guaranteed wheel measurements.

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