Description

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49871. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, 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 Direct-Fit Catalytic Converter is designed to fit the 2004-2009 Audi S4 4.2L. MagnaFlow 49871 includes (1) Nut and interchanges with OE parts 8E0 254 502 TX, 8E0 254 505 RX. 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 OEM Grade Direct-Fit Catalytic Converter
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49871. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, 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 direct-fit catalytic converter is designed specifically for the 2004-2009 Audi S4 and interchanges with OE parts 8E0 254 505 RX and 8E0 254 502 TX. Hardware is included to eliminate the hassle of working with corroded factory parts. 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.

• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• Expertly Crafted To Replicate Oem-Like Flow Dynamics/Maintaining Factory Performance And Fuel Efficiency
• Simplifies Installation With Essential Gaskets And Hardware Being Included In The Box
• Your Trusted Source For EPA-Compliant Catalytic Converters
• Mandrel Bent Tubing Retains Oem-Like Design And Geometry
• Durable 308 Stainless Steel Mig Welds

Fitment:
2004 Audi S4 Avant
2004 Audi S4 Base
2004 Audi S4 Cabriolet
2005 Audi S4 Avant
2005 Audi S4 Base
2005 Audi S4 Cabriolet
2006 Audi S4 Avant
2006 Audi S4 Base
2006 Audi S4 Cabriolet
2007 Audi S4 Avant
2007 Audi S4 Base
2007 Audi S4 Cabriolet
2008 Audi S4 Avant
2008 Audi S4 Base
2008 Audi S4 Cabriolet
2009 Audi S4 Cabriolet