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legal modding

  1. Newbie want to mod for the first time

    Mustang EcoBoost Accessories
    Hello everyone, I am new to modding and I really want to know if the parts I want to mod are legal in California, I just learned that California has very strict law and regulation regarding aftermarket parts modding. Exhaust: Borla Mustang ATAK Cat-Back Exhaust 140585 (15-18 EcoBoost Fastback)...
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