At MAS Performance we develop all our software in-house no generic 3rd party files are  used by us! the software is developed and tested to ensure great results and reliability this comes through expert knowledge of diagnostics and data-logging. On all tuning we look at lots of data to ensure the vehicle is running 100% such as air/fuel ratio, engine knock, boost pressure, exhaust gas temp, air intake temp and many more, generic files from an unknown source untested is asking for trouble, have an expert remap your ecu from your own original software.


ECU Remapping  |  ECU Remap  |  Diesel tuning