SKU: MCL.650S.ECU
2014-2017 McLaren 650S XperTune Performance Software
Fabspeed XperTune Performance Software reprograms the ECU on 2014-2017 McLaren 650S models with the 3.8L Twin Turbo V8 engine. This upgrade increases horsepower from 650 to 700 and torque from 500 to 546 lb-ft while enhancing throttle response and drivability. Power maps work on stock vehicles or those with Sport Cats Cat Bypass Pipes exhausts or upgraded turbos for broader compatibility.
Key Features
- Power Gains: Delivers 700 HP and 546 TQ tuned versus stock 650 HP/500 TQ with peak increases of 26 wheel HP and 27 ft-lbs torque plus 33 wheel HP and 44 ft-lbs at 4000 RPM
- Custom Maps: Tailored files available for stock setups or vehicles with bolt-ons like exhausts Sport Cats upgraded turbos and more to match your configuration
- Bench Flashing: Send your ECU for quick reprogramming with no vehicle modifications required then reinstall easily yourself
- Stock Map Backup: Fabspeed saves your original factory ECU file allowing full revert to stock settings anytime
- Drivability Focus: Refines sensor inputs air/fuel ratios and boost pressure for sharper response without compromising reliability
Product Notes
- This service requires shipping your ECU to Fabspeed with the ECU Information form included contact us for form details
- Bolt-on upgrades yield higher gains from improved engine efficiency but stock cars see strong power increases too
- You cover shipping costs to Fabspeed we tune in 24-48 hours and return via your incoming method like Ground or Overnight
Installation Notes
- Professional installation recommended.
- Remove ECU from vehicle follow emailed instructions after purchase and ship to Fabspeed for bench flashing
- Reinstall flashed ECU yourself no hardware changes or tools needed beyond basic access
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2017 | McLaren | 650S | Coupe |
| 2015-2017 | McLaren | 650S Spider | Base |
Why Choose Fabspeed?
- Proven track record in supercar ECU tuning with McLaren-specific expertise
- Fast 24-48 hour turnaround preserves drivability and engine reliability
- Every tune includes stock file backup for flexibility and peace of mind
Frequently Asked Questions
- Q: Does this fit my modified McLaren 650S?
A: Yes maps support stock cars plus setups with Sport Cats Cat Bypass Pipes exhausts upgraded turbos and similar bolt-ons for maximum gains - Q: How do I get the tune installed?
A: Purchase receive download link with instructions ship your ECU and form to Fabspeed we flash and ship back in 24-48 hours - Q: Can I return to stock power?
A: Absolutely Fabspeed saves your factory ECU map so you can revert fully anytime by requesting the stock file
Shipping & Handling
- Method: Customer ships ECU to Fabspeed we return via same method received
- Availability: Service ready tuning starts within 24-48 hours of ECU receipt
- Packaging: ECU shipped in protective anti-static packaging
- Weight: ECU approximately 2 lbs
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