This front catalytic converter is designed for select Chrysler, Dodge, and Jeep vehicles with a 2.4L L4 engine, including Dodge Journey 2009-2018 FWD models. It features a honeycomb ceramic carrier with 400 chambers to improve exhaust flow and purification efficiency. The heavy-duty T409 stainless steel construction helps resist heat and rust for long-lasting performance. Its direct-fit bolt-on, flange-to-flange design supports easier installation and includes gaskets. The built-in M18 O2 sensor port is compatible with the original vehicle oxygen sensors.