I didn't want to link to the pic because it's from PFYC, but it's the one with the SD Airdam.
http://www.pfyc.com/pc/GP1099/GPEXT/SD+Grand+Prix+Front+Air+Dam.html I'm guessing they could be just about any grills painted black with some clear over them. Anyone know for sure? I bet someone know's who's car that is.