Audi S4 Catalytic Converters
- Eastern Catalytic®Universal Fit Oval Body Catalytic ConverterUniversal Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you...$118.45 - $187.70
- Eastern Catalytic®Universal Fit Round Body Catalytic ConverterUniversal Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you...$129.11 - $178.85
- Eastern Catalytic®Universal Fit Round Body Catalytic ConverterUniversal Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Contains approximately 40% higher precious metal content than most other aftermarket brands. Aristo...$351.21 - $449.64
- Davico®Direct Fit Catalytic Converter (17568)Catalytic Converter (17568) by Davico®. Converter Configuration: Direct Fit. Position: Front Passenger Side. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 18". This direct-fit catalytic converter by Davico will be a great...$362.69
- Davico®Direct Fit Catalytic Converter and Pipe Assembly (18368)Catalytic Converter and Pipe Assembly (18368) by Davico®. Converter Configuration: Direct Fit. Position: Driver Side. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 57.5". This direct-fit catalytic converter by Davico will...$598.78
- Davico®Direct Fit Catalytic Converter and Pipe Assembly (18319)Catalytic Converter and Pipe Assembly (18319) by Davico®. Converter Configuration: Direct Fit. Position: Driver Side. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 45". Gaskets Not Required. This direct-fit catalytic...$588.32
- Davico®Direct Fit Catalytic Converter and Pipe Assembly (18419)Catalytic Converter and Pipe Assembly (18419) by Davico®. Converter Configuration: Direct Fit. Position: Passenger Side. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 45.5". This direct-fit catalytic converter by Davico...$688.80
- Davico®Direct Fit Catalytic Converter and Pipe Assembly (18431)Catalytic Converter and Pipe Assembly (18431) by Davico®. Converter Configuration: Direct Fit. Position: Driver Side. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 46". Gaskets Not Required. This direct-fit catalytic...$706.98
- Davico®Direct Fit Catalytic Converter and Pipe Assembly (18432)Catalytic Converter and Pipe Assembly (18432) by Davico®. Converter Configuration: Direct Fit. Position: Passenger Side. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 46". Gaskets Not Required. This direct-fit catalytic...$644.39
- MagnaFlow®Heavy Metal Direct Fit Catalytic Converter (24317)Heavy Metal Catalytic Converter (24317) by MagnaFlow®. Converter Configuration: Direct Fit. Position: Driver Side. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5"....$964.00
- MagnaFlow®Heavy Metal Direct Fit Catalytic Converter (23613)Heavy Metal Catalytic Converter (23613) by MagnaFlow®. Converter Configuration: Direct Fit. Position: Passenger Side. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter:...$771.00
- MagnaFlow®Heavy Metal Direct Fit Catalytic Converter (23612)Heavy Metal Catalytic Converter (23612) by MagnaFlow®. Converter Configuration: Direct Fit. Position: Driver Side. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter:...$818.00
- MagnaFlow®Heavy Metal Universal Fit Oval Body Catalytic Converter (99005HM)Heavy Metal Catalytic Converter (99005HM) by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter:...$222.00
- MagnaFlow®Heavy Metal Universal Fit Round Body Catalytic Converter (99204HM)Heavy Metal Catalytic Converter (99204HM) by MagnaFlow®. Converter Configuration: Universal Fit. Position: Passenger Side. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2"....$178.00
- MagnaFlow®OBDII Direct Fit Catalytic Converter (441093)OBDII Catalytic Converter (441093) by MagnaFlow®. Converter Configuration: Direct Fit. Position: Driver Side. With Gasket. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2.25". Catalytic Outlet...$1,388.00
- MagnaFlow®OBDII Universal Fit Oval Body Catalytic Converter (441005)OBDII Catalytic Converter (441005) by MagnaFlow®. Converter Configuration: Universal Fit. Position: Rear. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet...$503.00
- MagnaFlow®OBDII Universal Fit Oval Body Catalytic Converter (444134)OBDII Catalytic Converter (444134) by MagnaFlow®. Converter Configuration: Universal Fit. Position: Front. Catalytic Converter Body Shape: Oval. Without Air Tube. With Post-Cat O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic...$332.00
- MagnaFlow®OBDII Universal Fit Oval Body Catalytic Converter (444006)OBDII Catalytic Converter (444006) by MagnaFlow®. Converter Configuration: Universal Fit. Position: Front Driver Side. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5"....$371.00
- MagnaFlow®OBDII Universal Fit Oval Body Catalytic Converter (441334)OBDII Catalytic Converter (441334) by MagnaFlow®. Converter Configuration: Universal Fit. Position: Rear Passenger Side. Catalytic Converter Body Shape: Oval. Without Air Tube. With Pre-Cat O2 Sensor Port. Catalytic Inlet Diameter: 2"....$517.00
- MagnaFlow®OBDII Universal Fit Oval Body Catalytic Converter (444005)OBDII Catalytic Converter (444005) by MagnaFlow®. Converter Configuration: Universal Fit. Position: Front. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet...$371.00
- MagnaFlow®OBDII Universal Fit Round Body Catalytic Converter (444506)OBDII Catalytic Converter (444506) by MagnaFlow®. Converter Configuration: Universal Fit. Position: Front Passenger Side. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5"....$421.00
- MagnaFlow®OBDII Universal Fit Round Body Catalytic Converter (444206)OBDII Catalytic Converter (444206) by MagnaFlow®. Converter Configuration: Universal Fit. Position: Front. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet...$378.00
- MagnaFlow®OBDII Universal Fit Round Body Catalytic Converter (441205)OBDII Catalytic Converter (441205) by MagnaFlow®. Converter Configuration: Universal Fit. Position: Rear. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet...$516.00
- MagnaFlow®OBDII Universal Fit Round Body Catalytic Converter (441204)OBDII Catalytic Converter (441204) by MagnaFlow®. Converter Configuration: Universal Fit. Position: Rear Passenger Side. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2"....$585.00
- MagnaFlow®OEM Grade Universal Fit Oval Body Catalytic Converter (51005)OEM Grade Catalytic Converter (51005) by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter:...$231.00
- MagnaFlow®OEM Grade Universal Fit Round Body Catalytic Converter (51204)OEM Grade Catalytic Converter (51204) by MagnaFlow®. Converter Configuration: Universal Fit. Position: Driver Side. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic...$194.00
- MagnaFlow®Pre-OBDII Universal Fit Round Body Catalytic Converter (3322304)Pre-OBDII Catalytic Converter (3322304) by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter: 2"....$560.00
- MagnaFlow®Standard Universal Fit Round Body Catalytic Converter (53004)Standard Catalytic Converter (53004) by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter: 2"....$97.00
- MagnaFlow®OEM Grade Direct Fit Catalytic Converter (49872)OEM Grade Catalytic Converter (49872) by MagnaFlow®. Converter Configuration: Direct Fit. Position: Passenger Side. Without Air Tube. Catalytic Converter Overall Length: 45.5". If your car needs replacement, install one that will get...$1,157.00
- MagnaFlow®OEM Grade Direct Fit Catalytic Converter (49136)OEM Grade Catalytic Converter (49136) by MagnaFlow®. Converter Configuration: Direct Fit. Position: Passenger Side. With Gasket. Without Air Tube. With Midbed and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2.25". Catalytic...$1,049.00
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