Xtune 2003-2006 Silverado/Sierra Mystery Black/Smoked Tail Lights Rear Brake Lamps Pair Left+Right 2004 2005 2003-2006 CHEVY SILVERADO : 2007 CHEVY SILVERADO CLASSIC & GMC SIERRA CLASSIC : 2005-2006 GMC SIERRA *[Attention: Not Compatible w/ 2003 3500 Models ]* ***[Attention: For 2007 Will Compatible w/ Classic Model Only ]*** ***[Attention: Not Compatible w/ StepSide For Silverado ]*** ***[Attention: Compatible w/ FleetSide Model Only For Sierra ]***