The aFe MACH Force XP cat-back exhaust system for 2011–2012 Ford F-150 3.5L EcoBoost uses mandrel-bent 4" 409 stainless steel tubing and a free-flowing 24" muffler to improve exhaust flow and sound. It fits factory mounting points, uses OE-style band clamps and bayonet hangers for stability, and includes a 4" mandrel-bent black tip. The system aims to combine fit, sound and durability.
aFe MACH Force XP Exhaust Cat-Back SS-409 4in Black Tip 11-12 Ford F-150 EcoBoost V6-3.5L (tt)