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Shop Audi S4 Catalytic Converter

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Catalytic Converter - 47-State Legal (Cannot ship to CA, NY or ME) - Passenger Side
Vehicle Info Required to Guarantee Fit
$359.87
Vehicle Fitment
  • 2000 - 2002 Audi S4 Base 6 Cyl 2.7L
  • 2001 - 2002 Audi S4 Avant 6 Cyl 2.7L
Product Details
Location : Passenger SideSeries : Davico Exact FitEmissions : 47-State Legal (Cannot ship to CA, NY or ME)Recommended Use : OE ReplacementQuantity Sold : AssemblyTube Material : Aluminized Steel TubeProduct Fit : Direct FitInlet Type : Single (4-bolt fixed flange) InletOutlet Type : Slip Fit OutletOxygen Sensor Included : NoOxygen Sensor Ports : 1 Sensor PortAnticipated Ship Out Time : 4-5 business daysWarranty : 2-year or 25,000-mile Davico limited warranty on catalyst emission properties and 5-year or 50,000-mile limited warranty on tube, shell and welds
Catalytic Converter - 47-State Legal (Cannot ship to CA, NY or ME)
Vehicle Info Required to Guarantee Fit
$179.15
Vehicle Fitment
  • 2004 - 2008 Audi S4 Avant 8 Cyl 4.2L
  • 2004 - 2008 Audi S4 Base 8 Cyl 4.2L
  • 2004 - 2009 Audi S4 Cabriolet 8 Cyl 4.2L
Product Details
Location : Rear, Driver Or Passenger SideNotes : 2 in. Inlet/OutletSeries : OEM Grade SeriesEmissions : 47-State Legal (Cannot ship to CA, NY or ME)Recommended Use : Performance ReplacementQuantity Sold : Sold individuallyTube Material : Stainless Steel TubeProduct Fit : Semi-Universal (Welding Required)Anticipated Ship Out Time : 3-4 business daysWarranty : Magnaflow 5 year / 50,000 Mile Limited Warranty
Catalytic Converter - 50-State Legal
Magnaflow®
Part Number: M66441204
Vehicle Info Required to Guarantee Fit
$197.64
Vehicle Fitment
  • 2000 Audi S4 Base 6 Cyl 2.7L TLEV, EFN# YADXV02.7339
  • 2004 - 2006 Audi S4 Avant 8 Cyl 4.2L
  • 2004 - 2006 Audi S4 Base 8 Cyl 4.2L
  • 2004 - 2006 Audi S4 Cabriolet 8 Cyl 4.2L
Product Details
Location : Rear, Driver Or Passenger SideNotes : 2 in. Inlet/OutletSeries : California SeriesEmissions : 50-State LegalRecommended Use : Performance ReplacementQuantity Sold : Sold individuallyEO Number : D-193-96Tube Material : Stainless Steel TubeProduct Fit : Semi-Universal (Welding Required)Anticipated Ship Out Time : 3-4 business daysWarranty : Magnaflow 5 year / 50,000 Mile Limited Warranty
Catalytic Converter - 50-State Legal
Magnaflow®
Part Number: M66408004
Vehicle Info Required to Guarantee Fit
$247.58
Vehicle Fitment
  • 2000 Audi S4 Base 6 Cyl 2.7L Certification Level : TLEV, CARB Executive Order D-193-96; Engine Family Number YADXV02.7339
Product Details
Location : Rear, Passenger SideNotes : 2 in. Inlet/OutletEmissions : 50-State LegalRecommended Use : Performance ReplacementQuantity Sold : Sold individuallyEO Number : D-193-112Tube Material : Stainless Steel TubeProduct Fit : Semi-Universal (Welding Required)Anticipated Ship Out Time : 3-4 business daysWarranty : Magnaflow 25,000 Mile Limited Warranty
Catalytic Converter - 47-State Legal (Cannot ship to CA, NY or ME)
Vehicle Info Required to Guarantee Fit
$221.02
Vehicle Fitment
  • 2001 - 2002 Audi S4 Avant 6 Cyl 2.7L
  • 2001 - 2002 Audi S4 Base 6 Cyl 2.7L
Product Details
Location : Front, Driver Or Passenger SideNotes : 2.25 in. Inlet/OutletSeries : Heavy Metal SeriesEmissions : 47-State Legal (Cannot ship to CA, NY or ME)Recommended Use : Performance ReplacementQuantity Sold : Sold individuallyTube Material : Stainless Steel TubeProduct Fit : Semi-Universal (Welding Required)Anticipated Ship Out Time : 3-4 business daysWarranty : Magnaflow 5 year / 50,000 Mile Limited Warranty
Catalytic Converter - 47-State Legal (Cannot ship to CA, NY or ME)
Vehicle Info Required to Guarantee Fit
$221.02
Vehicle Fitment
  • 2000 Audi S4 Base 6 Cyl 2.7L Manual Transaxle
Product Details
Location : Front Or Rear, Driver Or Passenger SideNotes : 2.25 in. Inlet/OutletSeries : Heavy Metal SeriesEmissions : 47-State Legal (Cannot ship to CA, NY or ME)Recommended Use : Performance ReplacementQuantity Sold : Sold individuallyTube Material : Stainless Steel TubeProduct Fit : Semi-Universal (Welding Required)Anticipated Ship Out Time : 3-4 business daysWarranty : Magnaflow 5 year / 50,000 Mile Limited Warranty
Catalytic Converter - 47-State Legal (Cannot ship to CA, NY or ME) - Driver Side
Vehicle Info Required to Guarantee Fit
$811.71
Vehicle Fitment
  • 2000 - 2002 Audi S4 Base 6 Cyl 2.7L
  • 2001 - 2002 Audi S4 Avant 6 Cyl 2.7L
Product Details
Location : Driver SideEmissions : 47-State Legal (Cannot ship to CA, NY or ME)Recommended Use : Performance ReplacementQuantity Sold : Sold individuallyTube Material : Stainless Steel TubeProduct Fit : Direct FitAnticipated Ship Out Time : 3-4 business daysWarranty : Magnaflow 25,000 Mile Limited Warranty
Catalytic Converter - 47-State Legal (Cannot ship to CA, NY or ME) - Passenger Side
Vehicle Info Required to Guarantee Fit
$816.71
Vehicle Fitment
  • 2000 - 2002 Audi S4 Base 6 Cyl 2.7L
  • 2001 - 2002 Audi S4 Avant 6 Cyl 2.7L
Product Details
Location : Passenger SideEmissions : 47-State Legal (Cannot ship to CA, NY or ME)Recommended Use : Performance ReplacementQuantity Sold : Sold individuallyTube Material : Stainless Steel TubeProduct Fit : Direct FitAnticipated Ship Out Time : 3-4 business daysWarranty : Magnaflow 25,000 Mile Limited Warranty
Catalytic Converter - 47-State Legal (Cannot ship to CA, NY or ME) - Driver Side
Vehicle Info Required to Guarantee Fit
$841.11
Vehicle Fitment
  • 2004 - 2008 Audi S4 Avant 8 Cyl 4.2L
  • 2004 - 2008 Audi S4 Base 8 Cyl 4.2L
  • 2004 - 2009 Audi S4 Cabriolet 8 Cyl 4.2L
Product Details
Location : Driver SideEmissions : 47-State Legal (Cannot ship to CA, NY or ME)Recommended Use : Performance ReplacementQuantity Sold : Sold individuallyTube Material : Stainless Steel TubeProduct Fit : Direct FitAnticipated Ship Out Time : 3-4 business daysWarranty : Magnaflow 25,000 Mile Limited Warranty
Catalytic Converter - 50-State Legal
Magnaflow®
Part Number: M663321304
Vehicle Info Required to Guarantee Fit
$440.44
Vehicle Fitment
  • 1992 - 1994 Audi S4 Base 5 Cyl 2.2L
Product Details
Series : California SeriesEmissions : 50-State LegalRecommended Use : OE ReplacementQuantity Sold : Sold individuallyTube Material : Stainless Steel TubeProduct Fit : Direct FitAnticipated Ship Out Time : 3-4 business daysWarranty : Magnaflow 5 year / 50,000 Mile Limited Warranty
Catalytic Converter - 50-State Legal
Magnaflow®
Part Number: M66332303
Vehicle Info Required to Guarantee Fit
$216.84
Vehicle Fitment
  • 1992 - 1994 Audi S4 Base 5 Cyl 2.2L
Product Details
Notes : 2 in. Inlet/OutletEmissions : 50-State LegalRecommended Use : Performance ReplacementQuantity Sold : Sold individuallyEO Number : D-193-117Tube Material : Stainless Steel TubeProduct Fit : Semi-Universal (Welding Required)Anticipated Ship Out Time : 3-4 business daysWarranty : Magnaflow 25,000 Mile Limited Warranty
Catalytic Converter - 50-State Legal
Magnaflow®
Part Number: M66441004
Vehicle Info Required to Guarantee Fit
$197.64
Vehicle Fitment
  • 2001 - 2002 Audi S4 Avant 6 Cyl 2.7L
  • 2001 - 2002 Audi S4 Base 6 Cyl 2.7L
Product Details
Location : Rear, Driver Or Passenger SideNotes : Inlet/Outlet Size - 2in. I.D.Series : California SeriesEmissions : 50-State LegalRecommended Use : Performance ReplacementQuantity Sold : Sold individuallyEO Number : D-193-96Tube Material : Stainless Steel TubeProduct Fit : Semi-Universal (Welding Required)Dimensions : 13 in. Overall LengthAnticipated Ship Out Time : 3-4 business daysWarranty : Magnaflow 5 year / 50,000 Mile Limited Warranty
Catalytic Converter - 50-State Legal
Magnaflow®
Part Number: M66441005
Vehicle Info Required to Guarantee Fit
$197.64
Vehicle Fitment
  • 2001 - 2002 Audi S4 Avant 6 Cyl 2.7L
  • 2001 - 2002 Audi S4 Base 6 Cyl 2.7L
Product Details
Location : Rear, Driver Or Passenger SideNotes : Inlet/Outlet Size - 2.25in. I.D.Emissions : 50-State LegalRecommended Use : Performance ReplacementQuantity Sold : Sold individuallyEO Number : D-193-96Tube Material : Stainless Steel TubeProduct Fit : Semi-Universal (Welding Required)Dimensions : 13 in. Overall LengthAnticipated Ship Out Time : 3-4 business daysWarranty : Magnaflow 5 year / 50,000 Mile Warranty
Catalytic Converter - 50-State Legal
Magnaflow®
Part Number: M66441006
Vehicle Info Required to Guarantee Fit
$197.64
Vehicle Fitment
  • 2001 - 2002 Audi S4 Avant 6 Cyl 2.7L
  • 2001 - 2002 Audi S4 Base 6 Cyl 2.7L
Product Details
Location : Rear, Driver Or Passenger SideNotes : Inlet/Outlet Size - 2.5in. I.D.Emissions : 50-State LegalRecommended Use : Performance ReplacementQuantity Sold : Sold individuallyEO Number : D-193-96Tube Material : Stainless Steel TubeProduct Fit : Semi-Universal (Welding Required)Dimensions : 13 in. Overall LengthAnticipated Ship Out Time : 3-4 business daysWarranty : Magnaflow 5 year / 50,000 Mile Warranty
Catalytic Converter - 50-State Legal - Passenger Side
Vehicle Info Required to Guarantee Fit
$1,088.85
Vehicle Fitment
  • 2000 - 2002 Audi S4 Base 6 Cyl 2.7L
  • 2001 - 2002 Audi S4 Avant 6 Cyl 2.7L
Product Details
Location : Passenger SideEmissions : 50-State LegalRecommended Use : Performance ReplacementQuantity Sold : Sold individuallyEO Number : D-193-96Tube Material : Stainless Steel TubeProduct Fit : Direct FitAnticipated Ship Out Time : 3-4 business daysWarranty : Magnaflow 25,000 Mile Limited Warranty
Page 1 of 7 | Showing 1 - 15 of 96 results

Helpful Automotive Resources

P0059 Code: HO2S Heater Resistance (Bank 2, Sensor 1)
September 23, 2020
P0059 Code: HO2S Heater Resistance (Bank 2, Sensor 1)Diagnostic trouble code (DTC) P0059 stands for “HO2S Heater Resistance (Bank 2, Sensor 1).” This code may be set when the vehicle’s powertrain control module (PCM) detects that there is an issue with the heater circuit of the oxygen (O2) sensor. It may also set if the PCM detects a
P0058 Code: HO2S Heater Control Circuit High (Bank 2, Sensor 2)
September 23, 2020
P0058 Code: HO2S Heater Control Circuit High (Bank 2, Sensor 2)Diagnostic Trouble Code (DTC) P0058 stands for “HO2S Heater Control Circuit High (Bank 2, Sensor 2).” This code sets when the powertrain control module (PCM) detects that the heater circuit of the oxygen (O2) sensor is encountering problems or issues. In some cases, it may also be taken to mean
P0057 Code: HO2S Heater Control Circuit Low (Bank 2, Sensor 2)
September 23, 2020
P0057 Code: HO2S Heater Control Circuit Low (Bank 2, Sensor 2)The “Bank 2” in this code’s definition refers to the side of the engine that does not contain cylinder number one. Meanwhile, the “Sensor 2” in this code’s definition refers to the sensor farthest away from the engine assembly.
P0056 Code: HO2S Heater Control Circuit Bank 2 Sensor 2
September 23, 2020
P0056 Code: HO2S Heater Control Circuit Bank 2 Sensor 2The PCM determines the oxygen content of the exhaust through heated oxygen sensors in the exhaust system before and after the catalytic converter(s). The data provided by the oxygen sensors helps the PCM maintain the right air-to-fuel ratio.
P0051 Code: HO2S Heater Control Circuit Low (Bank 2 Sensor 1)
September 23, 2020
P0051 Code: HO2S Heater Control Circuit Low (Bank 2 Sensor 1)The oxygen sensor measures the amount of oxygen present in the exhaust gas and compares it to the air outside. This allows the vehicle’s computer to make the necessary air-fuel ratio adjustments to keep the engine running right.
P0055 Code: HO2S Heater Resistance (Bank 1, Sensor 3)
September 23, 2020
P0055 Code: HO2S Heater Resistance (Bank 1, Sensor 3)The “Bank 1” in this code’s definition refers to the side of the engine that contains the #1 cylinder. Meanwhile, “Sensor 3” indicates that the problem is somehow related to or associated with a downstream sensor.
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