I have been dreading trying to sand my trim to get all the old crusty anodizing off so I can polish it up. I did a billion searches looking for something to help me out and one of my searches led me to use this stuff called Greased Lightning. I picked some up at Home Depot for around 7 bucks. For a trial run, I stuck a piece of trim In the gallon jug of this cleaner I left it in there for about an hour agitating it every now and then I rinsed it off with plain ole water and viola, the anodizing is gone!! It left the aluminum hazy, so I took some Meguirs motorcycle all metal polish and rubbed it down I'm going to try it on my front bumper some how. I'll let ya know how it goes!! I think it turned out pretty dang good!!! Now its ready for a sealer, paint or powder coating!! Just for fun, I used Duplicolors Shadow Chrome Blackout paint for that Black Chrome look. Once again, I did my test piece. 3 coats of black and 3 clear. The pictures don't really show it, but I think it turned out nice in person. I may end up doing all my trim in this!