They are from GM, just came out on the new Redline line up
http://www.chevrolet.com/redline-series?ppc=MICROSOFT_700000001299233_71700000013733687_58700002167165605_p18063108271&gclid=COmF6pXDwNMCFSRFMgodJYkAGg&gclsrc=ds
Only if GM made the carbon fiber edition for the 2500. Im sure you could make the 1500 work for it, obviously need to tweak for the air inlet on 2500. There may be an aftermarket company making replica stickers also