Air Duct Cleaners

Where does a 1989 Chevy full size pickup draw in air from?

usarmy_34 asked: I have an ’89 C1500 single cab, longbed, fleetside truck with a 350 (5.7L) and 700R4 ******. I have already installed many aftermarket performance parts (the whole top end of the engine). She came with a stock air cleaner and a K&N filter. I was thinking of switching to a cold air intake. [...]