there is a specific area here on the forum to ask your question....http://www.ramforumz.com/forumdisplay.php?f=14....and
with air suspension i'm pretty sure you cant add a lift. A lot of guys ask after they bought their truck. welcome to the forum.
Mods; Line X, Bilsteins set at 2.1, Magnaflow 18", Debadged , Cool White LED Interior, LED license plate, Cool White LED reverse, Fronts tinted 20 %, Stubby Antenna,AVS WindowVisors, Black Honeycomb Grille Insert, Green Performance Air Filter,SuperChip