![Quaife Differential [Mk3 Focus ST] - Fully Fitted Keyring The iPhone device is shown](https://cdn.shopify.com/s/files/1/0367/2621/products/2363-ATB-AA_1_db93082a-ecb1-497b-afec-dbdc0e7bdcf6.jpg?v=1675353801)
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The iPhone device is shown for illustration of the ECUtek and TDN app only
The forged pistons also feature a distinctive grey phosphate coating
Machined from T-6061 billet aluminium
If you're running our m235 or m260 upgrade you can use our SMARTflash app to confirm your calibration suffix
The mTune comes preloaded with the correct ECU calibration engineered and developed to add the maximum warranted performance increase to your mk7 Fiesta 1
Quaife Differential [Mk3 Focus ST] - Fully Fitted Keyring The iPhone device is shownmountune 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
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