Diamond Eye’s 4" DPF-back exhaust kit for the 2014 Dodge 6.7L Cummins 2500 (short box crew cab and Mega Cab) is a stainless-steel, dual-exit system built as the stated DPF-back configuration. The kit listing specifies a 4" diameter construct for that 2014 Dodge application. Check fitment to confirm cab and bed combination compatibility prior to purchase.
Diamond Eye KIT 4in DPF-BACK DUAL SS: DODGE 6.7L 2500 2014 SHORT BOX CREW CAB & MEGA CAB