The aFe Atlas 4-inch aluminized cat-back exhaust for 2011-2014 Ford F-150 3.5L EcoBoost is built from mandrel-bent aluminized steel tubing to increase exhaust velocity and reduce restriction. The two-piece tailpipe, OE-style bayonet hangers and included band clamps provide a leak-resistant, direct-fit installation while maximizing flow for downstream customization.
aFe Atlas Exhaust 4in Aluminized Cat-Back No Muffler/No Tip 11-13 Ford F-150 EcoBoost V6 3.5L (tt)