Maybe someone already came up with this, but you know the chrome trim pieces they make for car/ truck doors? Why couldn't you use them on your grill since its flat and is pretty much straight???

 

I think Ive seen a few people do this already, I know you can buy them on ebay, its basically just cut chrome trim pieces to fit on your grill. I personally wouldn't do it to my car because I like the black on the front, but I did buy the chrome trim pieces and did the interior vents with it, looks pretty nice now. I can post a picture of it if you want of my interior.