Quaife Differential [Mk3 Focus ST] - Fully Fitted Keyring The mTune comes preloaded with

The mTune comes preloaded with the correct ECU calibration engineered and developed to add the maximum warranted performance increase to your mk7 Fiesta 1

crisper shifter throw provides a positive driving experience with the Mk8 Fiesta and Puma ST

as can be seen from the power graphs

- tested for turbochargers and catalytic converters

Quaife Differential [Mk3 Focus ST] - Fully Fitted Keyring The mTune comes preloaded withmountune are pleased to offer a fitting service for the Quaife differential, which transforms your Mk3 Focus ST's performance. Unlike a conventional plate style limited slip differential, the Quaife differential relies on gears rather than clutch plates for its operation. That means it is much smoother in operation and never locks harshly with a set pre load of wheel slip across the driven axle. This product includes a fixed labour charge for