The specs do look impressive, as the Ford engine puts out 425 horsepower ... 16:4 or a Ferrari Enzo around the Top Gear test track, the M400 might become a true classic in five or ten years ...

The Ford Focus RS is frequently referred to ... Finally there’s the M400, the one we’re testing, that puts out 394bhp and 376lb ft of torque, 49bhp and 29lb ft more than standard.

The performance company has managed to squeeze even more shove out of the Ford Focus RS’s 2.3-litre turbo four, and developed the M400 upgrade kit for hot Ford fans to enjoy themselves all the more.

To put those figures into perspective, the Mountune Ford Focus RS M400 is more potent than the Mercedes-Benz E400 4Matic and prides itself on more torque than the Chevrolet Colorado 2.8-liter ...

Ford tuner Mountune has revealed a fresh upgrade package for the Focus RS. Called M400, it’s priced at £2,912, and ups power from the 2.3-litre turbo to 395bhp and 560Nm of torque. Mountune ...

Ford tuning company Mountune has announced its most powerful upgrade pack yet for the Ford Focus RS. Already no slouch with 345bhp as standard, the Focus RS with the new M400 pack gains outputs of ...