Ram Trucks has added a pretty cool feature to 2013 and 2014 Ram 2500 and 3500s: ... 2013-2014 Ram 2500/3500 S&B Air Filter Test and Tech. Ram-Air Reinvention. HOT ROD Staff Writer Apr 09, 2014.

Here are the aftermarket air filters we tested in this '04 1/2 Dodge Ram 2500 equipped with a manual transmission. Clockwise from the top left are: K&N, Volant, AFE, Airaid, True Flow, and S&B.