aFe Filters 49-03041NM Exhaust Cat-back; Ford F-150 V6-3.5L (tt) 4in

This ATLAS Cat-Back exhaust system is constructed of 4" mandrel-bent aluminized steel and comes complete with tubing, OE style bayonet hangers, band clamps and all hardware necessary for a hassle-free installation. The smooth curves and increased diameter of this exhaust system helps remove restriction and keeps exhaust gas flowing smoothly for increased horsepower and torque. WITHOUT muffler or tip