Currently reading: Mountune tuning kit boosts Ford Focus ST to 350bhp
Power boost to the tune of 77bhp comes alongside a hefty increase in torque output to 413lb ft
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2 mins read
10 August 2021

Racing and performance specialist Mountune has revealed a tuning kit for the Ford Focus ST that offers more power than the third-generation Focus RS

The m365 upgrade kit starts from £689 and can be equipped to current, fourth-generation Focus ST models. Performance is boosted from 273bhp to 350bhp while peak torque is increased by 103lb ft to 413lb ft. 

The upgrade is a second-stage modular update which adds on to the original m330 tuning kit. A high-flow panel air filter and bespoke 3.0in high-flow downpipe are added as per the previous upgrade, with a sports catalyst and new Sport GPF to reduce exhaust back-pressure. 

The kit can be configured in one of four driving modes: m365 performance, m330 performance, stock performance and anti-theft. Customers can choose their calibration and install the kit using Mountune’s Bluetooth OBD dongle and SMARTflash app on smartphones or tablets.

“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, Mountune boss. 

“This means maximum performance is available throughout the rev range and it’s now a seriously fast car, which is also great fun to drive,” he said.

A custom track setting is also included as part of the upgrade with an improved wet weather mode, along with an enhanced exhaust note and a more aggressive launch control system. 

It’s the third tuning kit to be released this year by the firm, which introduced the m260 kits to give the Fiesta ST and Puma ST a performance boost to 256bhp. 

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Peter Cavellini 11 August 2021

si73@, 350bhp is the new 197bhp, I agree, round the 200bhp mark should be enough, it's the torque now being available in small capacity engines that's the big difference, if there was less emphasis on in car tech and more on what makes cars handle better, but the other factor is, are drivers abilities up to drivers cars like these?, should there be tests to see if your skills are up to driving higher powered cars?

si73 11 August 2021
@ Peter, I'd argue that this has too much power, back when the Mk5 GTi had 197bhp, it was plenty fast enough to be considered the best hot hatch of its time, it's still fast enough.
But it has to be said that these are impressive upgrades on the standard cars power figures, but I'd be more than happy with the standard car to be honest.
Peter Cavellini 10 August 2021

The only car you REALLY need?, I'd say for 90% of us, sensibly, and remember it's your daily driver, you don't need anymore performance, all those Cars this size with four five hundred plus, are just not useable day to day,and they're higher maintenance too, just an opinion.