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g6au

  1. Sonata and XG300/XG350
    Howdy all. I've got a G6CU fresh from the dealership with only 20k miles on it. Where do I start for performance? I would like to increase low end torque and increase overall top end power. I am comfortable with spending a grand or two, and I can do my own work on the motor. Where do I start?
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