Note: most aftermarket air intakes are not worth the $$ (500?) for the little to nonexistent gains, unless you're going for 500+HP. You just wind up with a showy filter that is inferior to the stock element (and may give you MAF related problems/issues)
The only "reasonably priced" CAI for the LLY is;
This is an excerpt from an old thread, brought back… what is the air box mod The $2 fix (a.k.a., Redneck Intake:D) The Mod involves simply cutting an additional hole in the front side below the filter and just behind the headlight. There is a passageway built into the radiator support that...