McLaren P1

ECU Tune Service — Digital software file for vehicle performance tuning. This is not a vehicle for sale. MCLAREN P1 POWER GAINSECM Tuner Performance Upgrade ResultsHORSEPOWERStock789 HPTuned879 HP+90 HP GAINTORQUEStock678 lb-ftTuned755 lb-ft+77 lb-ft GAINResults may vary based on vehicle condition, modifications, and environmental factors.ECMTUNER.COM Unlock McLaren P1 Performance | ECMTuner Custom ECU Tune Elevate your McLaren P1 with a precision ECU tune from ECMTuner, based in Moonachie, NJ — serving the NYC metro area and remote clients nationwide. Our custom calibration delivers real, dyno-proven gains: go from 789 HP / 678 lb-ft stock to a thrilling 879 HP / 755 lb-ft — that's +90 HP and +77 lb-ft of torque. What's Included Boost Pressure Optimization — maximize turbo efficiency across the RPM range Ignition Timing Maps — custom timing curves for your fuel and climate Throttle Response Enhancement — sharper, more linear throttle feel Torque Management Calibration — remove factory torque limits Fuel Map Optimization — improved AFR targeting for power and efficiency Rev Limiter & Speed Limiter Adjustments — optional on request Launch Control & Traction Control Tuning — optional for track builds Tuning Methods OBD Tune (Remote) — We ship you a plug-and-play OBD cable. Connect it to your vehicle in your driveway, follow our simple steps, and we handle the rest remotely. No need to visit a shop. Bench Flash (Mail-In ECU) — For vehicles requiring direct ECU access. Remove your ECU, ship it to our Moonachie NJ facility, and we'll flash it and return it — typically within 2–3 business days. Why Choose ECMTuner? NJ-Based, NYC Metro Area Experts — local knowledge, European car specialists Decades of Combined Tuning Experience — BMW, Mercedes, Porsche, Aston Martin, and more 100% Custom Files — no generic maps; every tune is built for your specific car and mods Satisfaction Guarantee — we work with you until you're happy with the results Nationwide Remote Tuning — OBD cable shipped to your door, tune done from anywhere Best Custom ECU Tune for McLaren P1 | ECMTuner NJ