The AFE 49-03064 Atlas 5 Inch Filter-Back Exhaust System gives your 6.7 Powerstroke the performance it deserves. This system is constructed from 5" mandrel-bent aluminized steel tubing for maximum durability and flow, and uses high quality band clamps and OE-style bayonet hangers for a quick, hassle-free installation. A high quality OE-style flange is included for a complete 360 degree sealing surface, and a NOx sensor bung is included keeping the system free from check engine lights. Give your truck the power and sound it was meant to have with the AFE 49-03064 Atlas 5 Inch Filter-Back Exhaust System.