Ford Focus RS Mk3 Tuning, Your Complete Modifying Guide
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![Ford Focus RS Mk3 Tuning, Your Complete Modifying Guide](https://www.fastcar.co.uk/wp-content/uploads/sites/2/2022/06/Ford-Focus-RS-Mk3-Tuning-12.jpg)
It’s the fastest Focus so far, but don’t think the Ford Focus RS Mk3 can’t be improved – it really can with some proper tuning, and here’s how
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Focus RS MK2 Tuning at Motorsport Developments
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Mountune USA built the fastest MK3 Focus RS over 3 years ago and still
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FLOW Designs MK3 Focus RS Flow-Lock Rear Diffuser (USDM)
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Focus RS Mk3 Tuning at Motorsport Developments
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The Best Ford Performance Parts for Your New Focus RS
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