M335 Power Upgrade Kit - Fully Fitted at mountune HQ

The mountune M335 upgrade for the 2.3-litre EcoBoost Mustang delivers a substantial improvement in performance.

Peak power is increased to 335PS with torque boosted to 490Nm via the calibration, enough to make your EcoBoost-powered Mustang really come alive!

The calibration is loaded via the mTune handset, which also includes an anti-theft feature.

 mTune Features

  • ECU performance calibration transfer
  • Supplied complete with two user-interchangeable calibrations
  1. M335 calibration
  2. Anti-theft mode
  • In-field calibration updates
  • 0-60 times
  • ¼ mile times
  • Monitor 6 OBD channels
  • Adjustable shift light
  • Full data logging
  • DTC reading / clearing
  • Soft touch rear case
  • LCD screen
  • Ambient light sensor

    Please Note: The warranty of the vehicle being updated with this upgrade may be affected. The M335 upgrade kit is not Ford-endorsed. 

    To maintain any warranty provision otherwise entitled to you, and to ensure correct operation and reliability, calibrations loaded via an mTune handset must be installed together with the correct mountune® hardware.

    Only compatible with manual gearbox-equipped vehicle.

    Please note: the price shown for this M335 upgrade also includes installation at mountune HQ in Hutton, Essex and is not transferrable to any other Ford dealer or installer. 

    Please specify your preferred installation date in the 'notes' section when checking-out; our workshop team will then contact you back to confirm this date. If we can't accommodate your preferred choice, the team will discuss with you other available dates, that are still acceptable to you.




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