MagnaFlow Conv Univ 2.5inch C/C 5inch spun bodyKeep the check engine light off with MagnaFlow HM Grade Federal EPA Compliant Universal Catalytic Converter 99656HM. 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 also