The closest thing to a Fiesta RS.

With an all-new Fiesta right around the corner, it’s too late in the game for the outgoing model to spawn a range-topping RS version. Ford has made it clear there won’t be a Fiesta RS during this generation, so people in Europe will have to settle with the ST200. The most powerful and quickest Fiesta ever was launched some months ago with 200 PS (197 hp / 147 kW) and 214 lb-ft (290 Nm) coming from an upgraded version of the familiar 1.6-liter EcoBoost engine. The feisty hatchback has an overboost function providing an extra 15 PS (11 kW) and 22 lb-ft (30 Nm) for up to 20 seconds.

Should you want even more muscle underneath the hood, Mountune has a solution. It takes the Fiesta ST to RS-worthy levels of power thanks to the MR265 kit bumping output as the name implies to 265 PS (261 hp / 194 kW) and 273 lb-ft (370 Nm). With the upgrade package in place, the tuned supermini will run to 62 mph (100 kph) from a standstill in just 5.7 seconds, thus making it a full second faster than the aforementioned ST220. There’s no word about top speed, but it’s probably a tad higher than the 143 mph (230 kph) achieved by the range-topping Fiesta on sale today.

Mountune was able to extract so much power from the EcoBoost engine by installing a custom turbocharger, a larger intercooler, a cat-back exhaust system, and also by doing some high-flow rear intake pipework. The tuner mentions owners of the lesser kits (MP215, MT215, MR230) are able to upgrade to the new package and pricing will depend upon which of the three kits the Fiesta ST has already been fitted by Mountune. Getting the MR265 on a standard car will set you back £4,500 (plus installation costs) and it will require 13 hours of work.

The aftermarket specialists at Mountune also have quite a few upgrades tailored to the Focus RS, with the strongest package lifting output to 375 PS (370 hp / 275 kW) and 376 lb-ft (510 Nm) using overboost.

Source: Mountune

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