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loud noise

  1. Terrible rumble

    2nd Generation Chrysler 300 Discussion
    Will someone with a 2012 300S 5.7 hemi do me a favor. Drive down the street anywhere between 30-65 mph with only the rear window, passenger side rolled down. When I do this, the rumble sound is so loud it feels like my ear drums are going to burst. I just need to see if it is all cars or just...