+1000

You got me for a second there... I was really thinking I need to defend my point again.

After viewing this on my TV, it appears to be a section of exhaust from the van, since it is an odd shape, possibly part of the catalytic converter. Now the guy in the did hit the brakes, which would be a normal reaction, if something fell out from under your car. It almost surely came out from the van, since he slows…

How about the dashcam guy just keep driving and pull over after passing the van?

Incorrect. During the times that you or I are not driving, it's 100%. I am pretty sure that we are the only 2 people on earth that know how to drive...but I have my suspicions about you since we've never met.

I've always preferred Amber turn signals on the back. Since I was a kid, I always thought that vehicles just didn't look right without them. And it's not that American manufacturers "can't" install them because of cost. They already make the lenses and wiring harnesses for european export: