McLaren 675LT 2017 ECU Tune mapswitching Top speed limiter removal when

Top speed limiter removal when available

and a more exhilarating driving experience by delivering usable power through improved throttle response and torque management

More horsepower

You will need a Windows 7+ laptop for this process

The ECU will be tuned the same day it is received and DME Tuning will then ship back the ECU using whatever method it was shipped in with

McLaren 675LT 2017 ECU Tune mapswitching Top speed limiter removal whenExpertly calibrated and meticulously refined, DME Tunings ECU software is guaranteed to give you MORE of a good thing. More horsepower, more torque, and a more exhilarating driving experience by delivering usable power through improved throttle response and torque management. With additional ft. lbs. of torque through the mid range, acceleration out of your favorite corner and onto the straight is noticeably quicker throughout the rev range. DME