Mountune launches ST upgrades

Mountune’s latest modification kits for the Ford Fiesta ST and Focus ST have four major things in their favour: they’re factory-approved, the original manufacturer’s warranty is unaffected, 120 Ford dealers around the UK can fit them and they offer a useful boost in performance.

The package for the Fiesta ST costs £599 and comprises a re-modelled air box with a secondary inlet duct, a high-flow air filter element and a recalibrated engine control unit. That lot increases the output of the 1.6 litre turbocharged engine from the usual 180 bhp (134 kW / 182 PS) to 212 bhp (158 kW / 215 PS).

Ford Fiesta ST 3-Door (2013) Front Side

As a result, the Fiesta’s 0-62 mph (100 km/h) time is shaved to 6.7 seconds, a figure that incidentally matches that of the new Renault Clio Renaultsport 200. Perhaps of more relevance to real-world driving is the 31-62 mph (50-100 km/h) increment, which drops by 0.7 seconds to 5.7 seconds when in fourth gear.

The upgrades for the Focus ST are more comprehensive, as they include a larger intercooler and a replacement inlet duct, both of which are made from alloy and are available in either silver or black powder-coat finishes. Completing the transformation are a high-flow air filter element and a retuned engine control unit.

Ford Focus ST Wagon (2012) Front Side

Power from the 2.0 litre engine is lifted by 24 bhp (18 kW / 25 PS) to 271 bhp (202 kW / 275 PS), while peak torque rises from 360 Nm (265 lb/ft) to a substantial 400 Nm (295 lb/ft). Consequently, the 0-62 mph sprint is completed in less than six seconds and accelerating from 31-62 mph takes just 4.9 seconds.

Fast Ford fans might really want to see the arrival of a proper Focus RS, but until that happens the Mountune conversion for the ST version is a decent compromise. It’s priced at £1,225, or £1,275 if the black components are chosen.

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