Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51191. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed specifically for the 2007-2009 Audi S8 and interchanges with OE part 07L 253 020 NX. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.. MagnaFlow Direct-Fit Catalytic Converters are designed for easy bolt-on installation for the Professional Installer. Each is designed to exact the original equipment specifications. While the majority of the Direct-Fit Catalytic Converter products do not require welding; cutting or bending; limited applications may require additional welding for optimal installation.. MagnaFlow specializes in superior catalytic converter and exhaust technology and each converter is designed to the exact original equipment specifications while keeping the Check Engine Light off.. Direct Fit Catalytic Converter; 49 State; OEM Grade Series; Overall L-22.75 in.;. Exhaust|MagnaFlow|Catalytic Convertor|Cadillac Convertor|Convertor|Emissions. Exhaust Manifold with Integrated Catalytic Converter. MagnaFlow Conv DF 07-09 Audi S8 5.2L. Manifold Catalytic Converter. Conv DF 07-09 Audi S8 5.2L. Meets EPA Requirements. Manifold Converter. DF Converter. ManiConvrtr. 25173701. Exhaust

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