Aw Designs McLaren 675LT ECU Software

The Aw Designs Custom software for the McLaren 675LT is a simple yet effective way to improve the performance of a completely stock or slightly modified 3.8L biturbo 675LT engine. Our rigorous testing, attention to details and stringent quality control ensures this upgrade is in a league of its own in terms of power and engine safety. Thoroughly tested on both the street and racetrack with both 91 and 93 octane pump fuels. The seamless integration of our software tuning enhances the overall power and drivability of this engine for uncompromised performance.

Features include:

- Stage 1 software programmed for stock exhaust / standard OEM catalysts

- Stage 2 software is available for cars running aftermarket Exhaust

- Takes advantage of the untapped potential of the engine without excessive mechanical stress

- +86 Wheel HP and +78 Wheel TQ Gain in Midrange (Tested on a Mustang MD500AWD Dyno) 

- Dyno Tested on 91 Octane Fuel. 93 Octane mapping yields slightly higher power gains

- All engine protection functions remain intact - OBDII diagnostic capability is fully retained

- Calibrations for both 91 octane (95 RON) and 93 octane (98 RON) specific fuel - Improved throttle response / overall drivability

- Enhanced Launch Control Functions

- Extensively tested, performance validated

- All tuning done in house at Aw Designs – Same day turnaround 

*Due to the architecture of this Bosch MED17 password protected ECU, OBD port flashing is not an option. ECU’s must be removed from the vehicle and flashed on the bench with our proprietary password reader / flashing tools. With our flashing tools the ECU's DO NOT NEED TO BE OPENED.