Anyone use Duplicolor "Shadow" to tint chrome?

Thinking about spraying my chrome grill and emblems with this stuff, and possibly my rear bumper. Anyone try it? It looks like a simple process and way less expensive than getting my grill surround color matched black. Thoughts?

 

I have researched this as well due to having an SR5 with the chrome rear bumper and chrome grill. From their website it looks pretty easy and looks like it will hold up well. With that said however, a quick google search reveals a different story. Many people have tried this, and stated that it does work well on plastic. They advised that it does not work well on metal. I know it is relatively inexpensive, but for my money I would not want to have to do something twice. Bump to anyone who has tried this here.