Fabspeed XperTune ECU Service for McLaren 650S

Send in the original 650S ECU for a calibration matched to its 3.8-liter twin-turbo engine and installed hardware. The listed service uses bench programming and does not include a handheld device. 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.MCL.650S.ECU.
• Provide original controller details, fuel and modification information.
• The ECU information form must accompany the controller under the agreed service procedure.
• Fabspeed reports test peak gains of 26 whp/27 lb-ft and a separate 33 whp/44 lb-ft point at 4,000 rpm; actual results vary.
• Confirm freight, current turnaround and restoration of stock settings before dispatch.

Use restrictions

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

Installation Resources

• ECU Tuning Information - Bench Flash (PDF)

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