MagnaFlow Conv Universal 3.0 C/C 2.0 inch in/out SpunKeep the check engine light off with MagnaFlow Standard Grade Federal EPA Compliant Universal Catalytic Converter 53954. The Universal design allows the part to fit a wide array of vehicles (cutting and welding required), and the stainless steel construction of this spun body catalytic converter is highly resistant to corrosion. The single laser fusion weld of the spun body greatly reduces the possibility of a leak, and our compact, low mass design