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SKU: MCL.12C.ECU
McLaren MP4-12C XperTune Performance Software (2011-2014)
XperTune Performance software reprograms sensor inputs air/fuel ratios and boost pressure on the McLaren MP4-12C 3.8L Twin Turbo V8 for more horsepower torque and sharper driving response. This upgrade delivers 606 whp and 496 ft-lbs on average with peaks of +92 whp and +82 ft-lbs at 5900 RPM while maintaining reliability and daily driveability. It fits all 2011-2014 MP4-12C models whether stock or with exhaust Sport Cats turbos or bypass pipes.
Key Features
- Power Increases: From stock 555 whp/429 ft-lbs to tuned 606 whp/496 ft-lbs with maximum gains of +92 whp/+82 ft-lbs
- Custom Maps: Available for stock vehicles or those with Sport Cats Cat Bypass Pipes exhausts upgraded turbos and other bolt-ons
- Bench Flashing: Send your ECU for quick reprogramming and return with plug-and-play reinstallation no vehicle changes needed
- Reversible Tune: Fabspeed saves your factory ECU map for easy return to stock settings anytime
- Driveability Focus: Enhances throttle response boost control and overall dynamics without compromising reliability
Product Notes
- This upgrade requires sending your ECU with the ECU Information form for custom tuning
- Bolt-on upgrades yield higher gains but stock cars see substantial power increases too
- Shipping your ECU to Fabspeed is customer responsibility we return it tuned via the same method in 24-48 hours
Installation Notes
- Professional installation recommended.
- Remove ECU from vehicle ship to Fabspeed with completed ECU Information form then reinstall flashed unit
- No hardware modifications or vehicle alterations required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011-2014 | McLaren | MP4-12C | 3.8L Twin Turbo V8 |
Why Choose Fabspeed?
- Proven leader in McLaren performance tuning and exhaust systems
- Engineers deliver reliable power gains through precise ECU mapping
- Every tune preserves factory data for full reversibility and peace of mind
Frequently Asked Questions
-
Q: Does this fit my 2012 McLaren MP4-12C?
A: Yes it fits all 2011-2014 McLaren MP4-12C with 3.8L Twin Turbo V8 engines stock or modified -
Q: What power gains can I expect on a stock car?
A: Average tuned output reaches 606 whp/496 ft-lbs up from stock 555 whp/429 ft-lbs with peaks of +92 whp/+82 ft-lbs -
Q: Is the tune reversible and what is the process?
A: Yes Fabspeed saves your stock map for reversion. Ship ECU get emailed instructions flash takes 24-48 hours then ship back same method
Shipping & Handling
- Method: Customer ships ECU to Fabspeed we return tuned unit via matching service
- Availability: In stock - ships same or next business day
- Packaging: Secure ECU packaging
Fabspeed
Fabspeed Motorsport is a Pennsylvania-based performance parts manufacturer that specializes in exhaust systems, sport catalytic converters, headers, downpipes, intake systems, and carbon fiber components engineered specifically for exotic and high-performance European sports cars including Porsche, Ferrari, Lamborghini, McLaren, BMW M, and Audi R8. Every Fabspeed product is TIG-welded from aerospace-grade stainless steel or titanium in the USA, dyno-tested for measurable power and sound improvement, and designed as a direct bolt-on replacement that preserves the factory catalytic converter monitoring system or provides an explicit sport cat solution for emissions-compliant upgrades. Exotic car owners who have already maximized software and cosmetic modifications choose Fabspeed exhaust systems because the brand's specialty focus on a narrow range of platforms produces fit quality and sound character that universal exhaust manufacturers cannot achieve. The brand's XperTune ECU calibr...
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