wowzer

The front grill of my 2003 TL-S (I'm the original owner) is looking very lackluster. It is the original trim, with much of the metallic edges looking weather worn. How do I rejuvenate the trim?

Also, my driver side door seems to have loud road noise--could the door trim be worn out? If so, how do I install a new/refurbished one?

Surprisingly, the paint on the car (silver) looks reasonable. I suspect that all of the clear coat has been eaten away years ago.

Arkady

You can pop the grill trim out pretty easily via a few phillips heads screw in the back of it. After that, you can either replace it with a better condition one bought online or pulled at the yard, or get it wrapped in vinyl. I wrapped mine and get a good handful of compliments on it, even though I know that the vinyl job I did was absolute garbage. Looks pretty cool from a distance though!
Of course you could go the fancy route and get it polished or something, but that would likely end up more expensive and time consuming (if doing it DIY).

As for the noise, maybe your driver side just makes more noise? Possibly check the mechanical stuff on that side, but I figure you'd notice it if something was wrong.
I know that I've got a worn-out door panel and I get air in through it, so you might also be onto something. The door panel is easy to take off - two phillips head screws (one in the door handle lever area, and one on the side of the "arm rest" area). Past that just pop the sides off, the door handle off, and lift the panel upwards to remove it from the doorlock pin thing. A youtube video would explain it better. The process is honestly about the same for our cars and all the Hondas from that generation, so the specific model in the video isn't too important.