Audi S4 Catalytic Converters

MagnaFlow®OEM Grade Direct Fit Catalytic Converter (49135)

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# mpn5079679832

OEM Grade Catalytic Converter (49135) by MagnaFlow®. Converter Configuration: Direct Fit. Position: Driver Side. With Gasket. Without Air Tube. With Midbed and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2.25". Catalytic Outlet...

$856.00

MagnaFlow®OEM Grade Direct Fit Catalytic Converter (49263)

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# mpn1162240

OEM Grade Catalytic Converter (49263) by MagnaFlow®. Converter Configuration: Direct Fit. Position: Passenger Side. Without Air Tube. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". Catalytic Converter Overall Length:...

$782.00

MagnaFlow®OEM Grade Direct Fit Catalytic Converter (49262)

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# mpn1162239

OEM Grade Catalytic Converter (49262) by MagnaFlow®. Converter Configuration: Direct Fit. Position: Driver Side. Without Air Tube. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". Catalytic Converter Overall Length:...

$776.00

MagnaFlow®OEM Grade Direct Fit Catalytic Converter (49918)

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# mpn1129889

OEM Grade Catalytic Converter (49918) by MagnaFlow®. Converter Configuration: Direct Fit. Position: Passenger Side. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter:...

$980.00

MagnaFlow®OEM Grade Direct Fit Catalytic Converter (49917)

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# mpn1129888

OEM Grade Catalytic Converter (49917) 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"....

$1,012.00

MagnaFlow®OEM Grade Direct Fit Catalytic Converter (49916)

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# mpn1129382

OEM Grade Catalytic Converter (49916) by MagnaFlow®. Converter Configuration: Direct Fit. Position: Passenger Side. Without Air Tube. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25". Catalytic Converter Overall Length:...

$810.00

MagnaFlow®OEM Grade Direct Fit Catalytic Converter (49915)

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# mpn1129381

OEM Grade Catalytic Converter (49915) by MagnaFlow®. Converter Configuration: Direct Fit. Position: Driver Side. Without Air Tube. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25". Catalytic Converter Overall Length:...

$859.00

Walker®CalCat™ Universal Fit Round Body Catalytic Converter (81101)

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# mpn2888398752

CalCat™ Catalytic Converter (81101) by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 12"....

$414.14

Walker®CalCat™ Universal Fit Round Body Catalytic Converter (81804)

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# mpn1833622

CalCat™ Catalytic Converter (81804) by Walker®. Position: Front Passenger Side. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Catalytic Converter Overall Length: 8". With O2 Sensor Port. Without Air...

Emission, Structural Warranty: 5 Years / 50,000 Miles (80,000 Kilometers)Comply with specific pre-OBDII and OBDII requirements in the state of California

$409.51

Walker®CalCat™ Universal Fit Standard Oval Body Catalytic Converter (81660)

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# mpn1833615

CalCat™ Catalytic Converter (81660) by Walker®. Position: Rear Driver Side. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Standard Oval. Catalytic Converter Overall Length: 13.25". With O2 Sensor Port....

Emission, Structural Warranty: 5 Years / 50,000 Miles (80,000 Kilometers)Comply with specific pre-OBDII and OBDII requirements in the state of California

$383.09

Walker®CalCat™ Universal Fit Standard Oval Body Catalytic Converter (81652)

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# mpn1833614

CalCat™ Catalytic Converter (81652) by Walker®. Converter Configuration: Universal Fit. Position: Rear. Catalytic Converter Body Shape: Standard Oval. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall...

$314.21

AP Exhaust®Standard Duty Universal Fit Round Body Catalytic Converter (602214)

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# mpn474117275

Standard Duty Catalytic Converter (602214) by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter:...

$80.78

AP Exhaust®Universal Fit Catalytic Converter (840014)

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# mpn4652753821

Catalytic Converter (840014) by AP Exhaust®. Position: Rear. Converter Configuration: Universal Fit. Catalytic Converter Overall Length: 16.5". With Two O2 Fittings. Today’s exhaust performance market continues to cover a broad...

Provides professional installer with immediate installation optionsSpecifically engineered for OBDII equipped vehicles

$319.96

CATCO®Pre-OBDII Universal Fit Round Body Standard Duty Catalytic Converter (6904R)

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# mpn4660099677

Pre-OBDII Standard Duty Catalytic Converter (6904R) by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 12.75". Designed...

$143.15

TruParts®Exhaust System Hanger (TRP54329)

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# mpn4759233255

Exhaust System Hanger (TRP54329) by TruParts®. Location: Rear Muffler Forward. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in...

Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition

$0.98

TruParts®Exhaust System Hanger (TRP90593)

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# mpn4759233243

Exhaust System Hanger (TRP90593) by TruParts®. Position: Driver Side. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with...

Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition

$11.33

Davico®Universal Fit Catalytic Converter (863-200)

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# mpn5079679717

Catalytic Converter (863-200) by Davico®. Converter Configuration: Universal Fit. Position: Rear. Catalytic Inlet Diameter: 2". Catalytic Converter Overall Length: 15". This Universal fit catalytic converter by Davico will be a great...

$122.58

Walker®Ultra™ Universal Fit Round Body Catalytic Converter (15051)

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# mpn1744160

Ultra™ Catalytic Converter (15051) by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 11.5". Emissions...

$82.49

HJS®Catalytic Converter Gasket (W0133-1640622-HJS)

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# mpn1351127

Catalytic Converter Gasket by HJS®. Position: Rear. Location: Front Y-Pipe. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...

High quality at an affordable priceExpertly made from premium materials

$13.35

Elring®Catalytic Converter Gasket (475.330)

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# mpn4787052088

Catalytic Converter Gasket by Elring®. Position: Rear. Is your car noisier these days? Can you smell exhaust fumes in the cabin? Exhaust system repairs should not be put off, both for safety and legal reasons, but before you waste your...

OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price

$4.31

AJUSA®Catalytic Converter Gasket (01112600)

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# mpn1314102

Catalytic Converter Gasket by AJUSA®. If you need durable gaskets to prevent leaks on your vehicle, AJUSA is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets meet specific OEM needs...

Direct OEM replacement for a proper fitEnsure reliable sealing performance

$9.14

iD Select®ECO II Universal Fit Round Body Catalytic Converter (2" ID, 2" OD, 12" Length) (82734)

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# mpn4738016207

Universal ECO II Catalytic Converter (82734) by iD Select®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 Angled O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter: 2"....

$144.22

Walker®Ultra™ Universal Fit Round Body Catalytic Converter (13" Length) (15104)

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# mpn500288410

Universal Ultra™ Catalytic Converter (15104) by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. With O2 Sensor Port. Catalytic Converter Overall Length: 17.5". This part...

$330.87

Walker®Ultra™ Universal Fit Small Oval Body Catalytic Converter (10" Length) (15039)

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# mpn500288408

Universal Ultra™ Catalytic Converter (15039) by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Small Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 13.25". This...

$136.37

Walker®Ultra™ Universal Fit Small Oval Body Catalytic Converter (10" Length) (15034)

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# mpn500288407

Universal Ultra™ Catalytic Converter (15034) by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Small Oval. With Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 13.25". This part...

$130.16

Davico®OBDII Universal Fit Catalytic Converter (973-320)

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# mpn1904023070

Universal OBDII Catalytic Converter (973-320) by Davico®. Converter Configuration: Universal Fit. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 28.5". Gaskets Not Required. This Universal fit catalytic converter by Davico...

$765.46

AP Exhaust®608 Series No Neck Style Universal Fit Round Body Catalytic Converter (2" ID, 2" OD) (608364)

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# mpn2441795157

Universal 608 Series No Neck Style Catalytic Converter (608364) by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2"....

$104.68

AP Exhaust®608 Series No Neck Style Universal Fit Round Body Catalytic Converter (2" ID, 2" OD, 3" Length) (608374)

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# mpn2441792216

Universal 608 Series No Neck Style Catalytic Converter (608374) by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2"....

$104.68

AP Exhaust®608 Series No Neck Style Universal Fit Round Body Catalytic Converter (2.25" ID, 2.25" OD) (608375)

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# mpn2441795158

Universal 608 Series No Neck Style Catalytic Converter (608375) by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25"....

$104.68

AP Exhaust®608 Series No Neck Style Universal Fit Round Body Catalytic Converter (2.25" ID, 2.25" OD) (608365)

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# mpn2441792214

Universal 608 Series No Neck Style Catalytic Converter (608365) by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25"....

$104.68