Federal emissions compliant design A. MagnaFlow engineers its heavy metal converters with maximum airflow in mind. The large surface area of the honeycomb ceramic catalyst combines with a thick, detailed coating process to allow the most exhaust to flow through the converter MagnaFlow universal catalytic converters form the basic building blocks for a comprehensive line of direct-fit applications. HM Grade Federal / EPA Compliant Universal Catalytic Non CARB Compliant Cat Converter MagnaFlow Universal Catalytic Converters 99306HM - Summit Racing EPA Compliant Catalytic Converter Federal catalytic converters are not legal for sale, installation or use on vehicles registered in the state of California., Stainless steel construction Magnaflow 99306HM Weld-On High-Flow Catalytic Converter Round 2.5" In/Out OBDII $188.00 Free shipping All federal catalytic converters meet EPA requirements. The main benefit of the universal catalytic converter is that one unit may cover a wide variety of vehicle makes and models.