OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Position: Passenger Side. Without Air Tube. With Post-Cat O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25". Catalytic Converter Overall Length: 38". If your car needs replacement, install one that will get you through the smog check. This converter will directly replace the factory unit, with little or no fabrication required.