The Borla(r) Cat-Back(tm) system 140872BC was specifically designed to enhance the power and sound of the Ford F-150 equipped with 2.7L and 3.5L engines. It includes black 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(r)" sound level that gives you our most aggressive sound level with no drone. It is also available with bright chromed tips (part number 140872). There are also systems available for the 2.7L and 3.5L F-150 that offer different options for sound level, tip finish and tip exits. All this is backed by our unsurpassed Million Mile Warranty., System Features:, Cat-Back(tm) System, Dual Side Exit, Black Chrome On T-304 Stainless Steel Tips, ATAK(r) Sound Level, T-304 Stainless Steel Construction, Bolt-On Installation, Million Mile Warranty