CATALYTIC CONVERTER Fits select: 1987-1991 BMW 325, 1990-1993 MERCEDES-BENZ 190

Heatshield Covered Catalytic Converter (3321037) by MagnaFlow. Converter Configuration: Universal Fit. MagnaFlow California 2-2.5in. Universal California Pre-Obdii Catalytic With 1 O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter: 2.5". If your car needs replacement, install one that will get you through the smog check. This universal fit converter will require some fabrication to be installed, which will involve cutting the exhaust pipe and may require welding. MagnaFlow specializes in superior catalytic converter and exhaust technology and has spent the past 30+ years earning its reputation as a global market leader. American engineered and manufactured, MagnaFlow Catalytic Converters combine efficient industrial design to produce a product that exceeds, rather than meets, the highest standards of product performance and efficiency in the industry. MagnaFlow uses Ceramic substrates with different combinations of cell density and wall thickness to meet vehicle specific requirements. MagnaFlow Direct-Fit Catalytic Converters are des EO# D-193-137