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  1. 13' mazda 3i sky Speedometer re-calibration

    2010-2013 Mazda 3 Engine and Performance
    i plan on getting new wheels and tires. I checked with the mazda dealership and they said they can't do it because its illegal? is that true? i have changed the gearing and trans in my mustangs many times in the past and had to change speedometer gears to fix my speedo.... this is a first for...