Audi 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...$120.09 - $190.63
- 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...$151.91 - $181.15
- 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...$360.90 - $462.25
- Davico®Direct Fit Catalytic Converter (18558)Catalytic Converter by Davico®. Converter Configuration: Direct Fit. Position: Front. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 42". This direct-fit catalytic converter by Davico will be a great solution to replace your...$560.56
- Davico®Direct Fit Catalytic Converter (18568)Catalytic Converter by Davico®. Converter Configuration: Direct Fit. Position: Front. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 68". This direct-fit catalytic converter by Davico will be a great solution to replace your...$578.39
- Davico®Direct Fit Catalytic Converter (17530)Catalytic Converter (17530) by Davico®. Converter Configuration: Direct Fit. Position: Passenger Side. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 33". This direct-fit catalytic converter by Davico will be a great...$547.50
- Davico®Direct Fit Catalytic Converter (17527)Catalytic Converter (17527) by Davico®. Converter Configuration: Direct Fit. Position: Driver Side. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 33". This direct-fit catalytic converter by Davico will be a great solution...$547.50
- 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 (17541)Catalytic Converter (17541) by Davico®. Converter Configuration: Direct Fit. Position: Front Passenger Side. Location: Cylinders 1-4. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 30.5". This direct-fit catalytic converter...$430.61
- Davico®Direct Fit Catalytic Converter (17540)Catalytic Converter (17540) by Davico®. Converter Configuration: Direct Fit. Position: Front Driver Side. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 28.25". This direct-fit catalytic converter by Davico will be a great...$435.95
- Davico®Direct Fit Catalytic Converter (17548)Catalytic Converter (17548) by Davico®. Converter Configuration: Direct Fit. Position: Front. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 13.75". This direct-fit catalytic converter by Davico will be a great solution to...$297.01
- Davico®Direct Fit Catalytic Converter (17531)Catalytic Converter by Davico®. Converter Configuration: Direct Fit. Position: Rear Driver Side. Without O2 Sensor Port. Catalytic Converter Overall Length: 28". This direct-fit catalytic converter by Davico will be a great solution to...$353.28
- Davico®Direct Fit Catalytic Converter (16200)Catalytic Converter (16200) by Davico®. Converter Configuration: Direct Fit. Position: Center. Catalytic Converter Overall Length: 23.5". Without Gaskets. This direct-fit catalytic converter by Davico will be a great solution to replace...$192.76
- Davico®Direct Fit Catalytic Converter (16007)Catalytic Converter (16007) by Davico®. Converter Configuration: Direct Fit. Position: Center. Without O2 Sensor Port. Catalytic Converter Overall Length: 11.37". This direct-fit catalytic converter by Davico will be a great solution to...$120.83
- Davico®Direct Fit Catalytic Converter (13004)Catalytic Converter (13004) by Davico®. Converter Configuration: Direct Fit. Position: Center. Catalytic Converter Overall Length: 11.375". This direct-fit catalytic converter by Davico will be a great solution to replace your failed or...$154.74
- Davico®Direct Fit Catalytic Converter (16006)Catalytic Converter (16006) by Davico®. Converter Configuration: Direct Fit. Position: Center. With 3 Bolt Inlet. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 13". This direct-fit catalytic converter by Davico will be a...$159.26
- Davico®Direct Fit Catalytic Converter (17368)Catalytic Converter (17368) by Davico®. Converter Configuration: Direct Fit. Position: Front Driver Side. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 17.5". This direct-fit catalytic converter by Davico will be a great...$362.69
- Davico®Direct Fit Catalytic Converter (48059)Catalytic Converter (48059) by Davico®. Converter Configuration: Direct Fit. Position: Front. Catalytic Converter Overall Length: 16.75". Dealer Alternative. This direct-fit catalytic converter by Davico will be a great solution to...$354.48
- Davico®Direct Fit Catalytic Converter (18059)Catalytic Converter (18059) by Davico®. Converter Configuration: Direct Fit. Position: Center. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 16.75". This direct-fit catalytic converter by Davico will be a great solution to...$209.85
- Davico®Direct Fit Catalytic Converter (17196)Catalytic Converter (17196) by Davico®. Converter Configuration: Direct Fit. Position: Center. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 17". This direct-fit catalytic converter by Davico will be a great solution to...$416.36
- CATCO®Direct Fit Catalytic Converter and Pipe Assembly (4655)Catalytic Converter and Pipe Assembly (4655) by CATCO®. Converter Configuration: Direct Fit. Position: Driver Side. Catalytic Converter Overall Length: 52". Designed and manufactured with innovative fabrication methods, high-tech...$620.67
- CATCO®Direct Fit Catalytic Converter and Pipe Assembly (4240)Catalytic Converter and Pipe Assembly (4240) by CATCO®. Converter Configuration: Direct Fit. Position: Passenger Side. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 50". Designed and manufactured with innovative...$711.45
- CATCO®Direct Fit Catalytic Converter and Pipe Assembly (5231)Catalytic Converter and Pipe Assembly (5231) by CATCO®. Converter Configuration: Direct Fit. Position: Front. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 24". Designed and manufactured with innovative fabrication...$707.96
- iD Select®ECO II Universal Fit Oval Body Catalytic Converter (83164)ECO II Catalytic Converter (83164) by iD Select®. Converter Configuration: Universal Fit. Position: Rear. Location: Undercar. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2"....$124.41Save: $12.44 (10%)$111.97
- iD Select®ECO II Universal Fit Round Body Catalytic Converter (82724)ECO II Catalytic Converter (82724) by iD Select®. Converter Configuration: Universal Fit. Position: Driver Side. Location: Undercar. Catalytic Converter Body Shape: Round. Without Air Tube. With 1 O2 Sensor Port. Catalytic Inlet...$148.76Save: $14.87 (10%)$133.89
- iD Select®ECO II Universal Fit Round Body Catalytic Converter (82725)ECO II Catalytic Converter (82725) by iD Select®. Converter Configuration: Universal Fit. Position: Front. Location: Undercar. Catalytic Converter Body Shape: Round. Without Air Tube. With 1 O2 Sensor Port. Catalytic Inlet Diameter:...$148.76Save: $14.87 (10%)$133.89
- AP Exhaust®Direct Fit Catalytic Converter and Pipe Assembly (644130)Catalytic Converter and Pipe Assembly (644130) by AP Exhaust®. Converter Configuration: Direct Fit. Position: Front Passenger Side. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 16". Today’s exhaust performance market...$458.06
- AP Exhaust®Direct Fit Catalytic Converter and Pipe Assembly (642007)Catalytic Converter and Pipe Assembly (642007) by AP Exhaust®. Converter Configuration: Direct Fit. Catalytic Converter Overall Length: 68.38". With 2 O2 Sensor Ports. Today’s exhaust performance market continues to cover a broad...5-year/50,000-mile warranty on converter body25,000-mile warranty on emissions$929.14
- AP Exhaust®Direct Fit Catalytic Converter and Pipe Assembly (644025)Catalytic Converter and Pipe Assembly (644025) by AP Exhaust®. Converter Configuration: Direct Fit. Position: Front. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 24". Today’s exhaust performance market continues to...$596.79
- AP Exhaust®Direct Fit Catalytic Converter and Pipe Assembly (643131)Catalytic Converter and Pipe Assembly (643131) by AP Exhaust®. Position: Driver Side. Converter Configuration: Direct Fit. Catalytic Converter Overall Length: 67". Today’s exhaust performance market continues to cover a broad spectrum...5-year/50,000-mile warranty on converter body25,000-mile warranty on emissions$677.09
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The Audi catalytic converter (AKA catcon or cat) was first introduced in the mid-70's, and back then, it performed only two tasks, which is exactly why it was called a two-way converter. It oxidized carbon monoxide to carbon dioxide and hydrocarbons to water and carbon dioxide (oxidation stage). In 1981, the two-way converter was replaced by a much more efficient three-way catcon, which additionally reduced nitrogen oxide emissions (reduction stage).
Today, the two-way version is used in diesel applications only, while most vehicles are equipped with a three-way catalytic converter. Located between the engine and muffler, the converter actually resembles a muffler in shape, though the construction of these two units is completely different. The body of the converter is usually made of stainless steel. Inside the body, you'll find an insulated chamber, which contains three main components of any converter: substrate (or catalyst core), washcoat, and catalyst.
The catalyst core usually has a honeycomb structure, and it's most often a ceramic monolith. Basically, it serves as a support for the washcoat. The washcoat itself is a carrier for the catalytic materials. Materials for the washcoat are chosen to form an irregular surface, which maximizes the catalytically active layer available to react with the exhaust gases. And then comes the catalyst, which is most ofter a mixture of precious metals such as palladium (oxidation catalyst) and rhodium (reduction catalyst). When the exhaust stream passes through the converter, it contacts with the catalyst and all the toxic elements covert into the harmless substances. The leaving gas is monitored by the control system to make sure it meets the emissions requirements.
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