S&B Filters 75-5078 DISCONTINUED: Replaced by Part # 75-5106 Bolts directly on to the side of the truck eliminating the need for the stock mounting rack and creating the most solid mounting point imaginable. Designed with two openings to pull air into the air box. New wider tubing which allows air to flow more freely enabeling your engine to breathe more effeicently You can attach your stock breather to the adapter installed in the air box The new air box design uses only four screws making it even easier to clean your filter