This aFe Large Bore-HD 4" 409 stainless steel DPF-back exhaust system with polished tip is specified for 2018–2020 Ford F-150 models with the 3.0L V6 diesel. The DPF-back design routes exhaust downstream of the diesel particulate filter and uses 409 stainless construction; the 4-inch bore and polished tip provide a finished, direct-fit replacement for the listed model years.
aFe Large Bore-HD 4in 409 SS DPF-Back Exh 18-19 Ford F-150 V6-3.0L (td) w/ Polished Tip