2021 Mclaren
SENNA
We specialize in extracting hidden performance. Our Stage 1 calibration adds +125HP to your 2021 Mclaren SENNA, software only, fully reversible.
Calibration Details
In-House Powertrain Calibration
The 2021 McLaren Senna, an Ultimate Series hypercar limited to 500 units, represents the most extreme expression of McLaren's road car engineering. The M840TR 4.0-liter twin-turbo V8 produces 789 HP and 590 ft-lbs, housed in a carbon fiber structure weighing just 1,198 kg dry. Every element is optimized for track performance, and our ECU calibration extends that philosophy to the engine management.
Stage 1 delivers +125 HP and +115 TQ for a total of approximately 914 HP and 705 ft-lbs. Our calibration raises boost pressure using the M840TR's upgraded turbocharger hardware, advances ignition timing at critical RPM points, and optimizes the fuel strategy for maximum power on 93 octane. The result is a Senna that pulls harder out of every corner, gains speed faster on every straight, and delivers a level of acceleration that is truly extraordinary. Stage 2 unlocks 954 HP and 750 TQ, approaching the 1,000 HP mark from a twin-turbo V8 alone. Our antilag system ensures the turbochargers are ready when you need them, and ECU map switching provides seamless return to stock. All calibrations developed in-house by Mega 3 Performance with the precision this hypercar demands.
Performance Stages
Tuning through Stage 1 & Stage 2 ECU calibration works to improve horsepower, torque, and overall engine responsiveness. By optimizing the engine management system, we unlock the true potential of your vehicle, delivering a smoother powerband, enhanced throttle response, and a dramatically more engaging driving experience, all while maintaining factory reliability and safety parameters.
Customer Reviews
What our clients say
"If your looking for the fastest and most Reliable McLaren in the World then M3P is your place! Ask for Nate he was very helpful and Knowledgeable and everything turned out just like I wanted. Highly Recommend!!"
"very professional and they know their stuff! highly recommend! call nate, he will take care of you! thanks again guys."
"M3P took my McLaren to the next level! Safa and Nate were incredibly professional and provided work that is second to none. If you are looking to add more juice to your McLaren or AMG, M3P is the place to be. Thanks guys for the great work."
"I have been dealing with Safa for 2 years since owning my McLaren 650S. He is the reason for my continued McLaren ownership as I confidently know I am in great hands with someone knowledgeable and trustworthy! I'm tuned by Safa and the car has ran flawless for 10k+ miles. In addition his crew Nate and Josh are awesome guys and they all feel like family. Couldn't ask for a better shop or people to deal with. Proud to be Mega Strong 💪"
"I brought my AMG in for a bit of routine maintenance, as well as some slight performance modifications. 10/10 recommend, Mega 3 Performance is exceedingly competent on a variety cars and took fantastic care of my car. Their fabrication work is next level, and their technicians are very knowledgeable. I will be using Mega 3 for all of my performance and maintenance moving forward over the Mercedes dealership."
Frequently Asked Questions
Common questions about tuning the 2021 Mclaren SENNA.
A Stage 1 ECU calibration on the 2021 Mclaren Senna adds approximately +125 Horsepower and +115 ft-lbs of Torque over the stock figures, delivering noticeably improved acceleration and throttle response.
Our Stage 1 calibration is designed to operate within safe engine parameters without triggering fault codes. We recommend consulting with us about your specific situation and warranty coverage before proceeding.
Our Stage 1 calibration for the 2021 Senna is a software-only upgrade. You do not need any mechanical modifications, making it a clean, reversible performance improvement that works on your stock vehicle.
No, our custom ECU calibration for the 2021 Senna is engineered to enhance throttle response and smooth out the powerband. The result is better drivability in everyday traffic, as well as a more engaging experience during spirited driving.
McLaren packages
Choose from our three-tiered McLaren performance package system, designed to deliver unprecedented power and reliability. Each package includes comprehensive engineering, custom components, and professional calibration.