i have a 2001 expy 4x2. i would like to add the bumper valance ( air dam ) off of a 4x4 or one with the fog lights. will i have to add a separate lighting kit or does the 4x4 valance come with the light housing for the fog lights. i looked into the piaa air dam and piaa lights, but that is a little more than i wanted to spend. any info that anyone has will be greatly appreciated