Are you thinking black or chrome? Ive thought about this and plan to make my own in black with extruded metal mesh, similar to this one. http://www.ebay.com/itm/Grille-Inse...ash=item33bcc7d054:g:F34AAOSwCfdXpOIM&vxp=mtr
I haven't found the right mesh yet, but I imagine it will cost less than $50