Ford Focus ST Mk4 Gets Mountune Treatment – 365 PS, 560 Nm
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Ford Focus ST Mk4 Gets Mountune Treatment – 365 PS, 560 Nm

mountune m365

Owners of the Mk4 Ford Focus ST who are thinking of upgrading their car and have something to refer to now – the latest power upgrade kit from mountune called the m365.

Mountune’s latest kit for the Focus ST is a second-stage modular upgrade, taking the original m330 upgrade to higher power and torque outputs across the whole rev-range.

85 PS bump

Running the m365 upgrade sees the Focus ST’s peak power boosted to 365 PS and peak torque to 560Nm, a rise of 85 PS and 140Nm over standard.

mountune m365

This upgrade in power and torque is delivered by mountune’s Bluetooth OBD dongle and SMARTflash app running on any smartphone or tablet, combined with the high-flow panel air filter (as per m330), plus the all-new 3″ high-flow downpipe with sports catalyst and new Sport GPF – greatly reducing exhaust gas back-pressure whilst not detrimentally affecting the vehicle’s emissions.

This has been vigorously tested by moutune’s dedicated engineering team to ensure that it will still easily pass European emissions test for cars as they become 3+ years old.

More powerful than the m330 kit

For customers who have already purchased the m330 upgrade kit and who have the required supporting hardware, upgrading their ECU can be easily supported via a calibration upgrade.

mountune m365

 “We are delighted to launch our latest upgrade kit for the much-loved mk4 Focus ST. Ford has done a great job with the stock ST and what we have done with this m365 upgrade kit is to fully optimise the calibration with our newly engineered low-back pressure exhaust hardware,” said David Mountain, Managing Director, mountune.

The m365 mTune Smartflash includes four interchangeable calibrations – m365 performance, m330 performance, stock performance, and anti-theft.


The intuitive SMARTflash system has been designed to enable selection between different calibrations simple and fast, giving users the freedom to change the vehicle to suit their needs and available fuel quality.

mountune m365

Focus ST owners wishing to install the m365, should purchase the m365 mTune SMARTflash upgrade, complete with Bluetooth OBD interface, as well as the mountune 3″ high-flow downpipe with sports catalyst, the new mountune Sport GPF and high-flow panel filter.

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