2007 GMC Sierra 3500 Classic Univ Catalytic Converter Oval 3 99109HM Magnaflow flowmaster 4L V8 1977 - 1985

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2007 GMC Sierra 3500 Classic Univ Catalytic Converter Oval 3 99109HM Magnaflow flowmaster 4L V8 1977 - 1985Keep the check engine light off with MagnaFlow HM Grade Federal EPA Compliant Universal Catalytic Converter 99109HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low mass design also allows for greater thermal efficiency. This replacement