MagnaFlow universal catalytic converters form the basic building blocks for a comprehensive line of direct-fit applications. The main benefit of the universal catalytic converter is that one unit may cover a wide variety of vehicle makes and models. Installing universal converters often requires the use of welding, cutting and tube bending equipment that is readily available to most professional installers. All federal catalytic converters meet EPA requirements. Federal catalytic converters are not legal for sale, installation or use on vehicles registered in the state of California.