The AFE 49-02039 Atlas 5 Inch Filter-Back Exhaust System is a direct bolt-on replacement for your 6.7 Cummins 2013-2018. This system is made of 5" aluminized steel construction and features a specially formed end connection to attach directly to your DPF. OE-style bayonet hangers are used to maintain a stable pipe location and ensure a hassle-free installation.