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hid retrofit

  1. 2014-2018 Mazda 3 Skyactiv Appearance & Interior
    Hey, Is there some type of guide to replacing the projector in the non-HID mazda 3's? I have the iTouring 2014 sedan and I want to upgrade to something with better visiblity/color/cutoff. Would these work? Whats the difference between H11 HID bulbs and D2S bulbs? Do they require different...