![mTune SMARTflash m400R / m400X [Mk3 Focus RS] fitted-tt-8s A direct replacement for Golf](https://cdn.shopify.com/s/files/1/0367/2621/files/mtune_smartflash_m375_m380_m400rx_2048x_b9a33ed9-e3d2-4b1e-b915-abe1cc8eff2e.webp?v=1763999077)
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A direct replacement for Golf GTI (non-Performance Pack) running the OE braking setup - and supplied as a pair
We would recommend an uprated clutch
The mountune 1
Large diameter motorsport-style
The mountune m360 upgrade delivers phenomenal performance for the Seat Leon Cupra and Cupra R (5F) with either manual or DSG transmissions
mTune SMARTflash m400R / m400X [Mk3 Focus RS] fitted-tt-8s A direct replacement for GolfTake your mountune equipped Mk3 Focus RS to the next level of performance with this upgrade from standard or the m380 m375 calibration to either the m400R or m400X. This ultra convenient, smartphone based upgrade delivers significant gains in power, torque, and drivability while retaining all the safety and durability assurances mountune is known for. As with all mountune upgrades, all of the performance calibrations have been through our own
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