This is a strange one that I've been trying to fix it for over a month. 4th of July I'm driving home at night on an empty freeway after a long trip and hit something in the dark.  It felt like a 4x4 piece of lumber.  Sent the front end of my car flying for a hot second.  Pulled over a bit later and couldn't find any damage.  Didn't notice any driveability issues so I made a note to get my alignment done later and went on my way.  About 30 miles down the road I start to get a  strong vibrati