Interested in a new exhaust system for you 6.7L Power Stroke. Check out the ATLAS DPF - Back exhaust system by aFe. Constructed from 5 in. mandrel - bent aluminized steel tubing for maximun flow and uses high quality band clamps and OE - style bayonet hangers. This unit uses all factory mounting locations to provide a quick, hassle - free installation. Also included is a massive 7 in. wrinkle - black powder - coated 304 stainless steel tip with laser - cut stainless steel aFe power badge. The tip features a drain port on the bottom to keep rust and corrosion away. A unique stainless steel laser - cut aFe Power logo plate is rived on for an aggressive style. High quality OE - style flange and band clamps are used for a complete 360 degree sealing surface. All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.