The Borla Cat-Back(tm) system 140881 was specifically designed to enhance the power and sound of the Ford F-150 equipped with 3.3L engine. It includes bright chromed T-304 stainless steel tips and a dual side exit configuration. The entire system is made of T-304 stainless steel and utilizes computer numerical control (CNC) manufacturing techniques that ensure an accurate fit. This system features the “ATAK” sound that gives you our most aggressive sound level with no drone. It is also available with black chromed tips (part number 140881BC). There are also systems available for the 3.3L F-150 that offer different options for sound level, tip finish and tip exits. Add adapter 60556 for Crew Cab Standard Bed (157.2″) Wheelbase vehicles. Add adapter 60564 for Extended Cab Long Bed (164.1″) Wheelbase vehicles. All this is backed by our unsurpassed Million Mile Warranty., System Features:, Cat-Back(tm) System, Dual Side Exit, Bright Chrome On T-304 Stainless Steel Tips, ATAK Sound Level, T-304 Stainless Steel Construction, Bolt-On Installation, Million Mile Warranty