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engine enhancement

  1. Performance chip in a Santa Fe 2017??

    DM (2013-2019) LWB 7 Seater models
    Has anyone used any performance enhancing chips in their Santa Fe? I am talking about a device that helps regulate the air/fuel ratio in a way that gives added horsepower, torque and better gas mileage. I have looked at a variety of companies on line. I am looking for some real life testimonials...
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