The 10 Best Automotive Replacement Catalytic Converters & Parts to Buy – August 2022 Review

Looking for the best Automotive Replacement Catalytic Converters & Parts?

We did 16 hours of research and testing 9 products to create this review. We believe the best Automotive Replacement Catalytic Converters & Parts doesn’t have to be the most sophisticated to be exceptional. Our product selection lives up to its promise. Many different criteria were used for this comparison to be more relevant and more precise. Now discover our comparison !

TOP 10

SaleNo. 1
MagnaFlow Universal Catalytic Converter California Grade CARB Compliant 447206 - Stainless Steel 2.5in Inlet/Outlet Diameter, 13in Overall Length, No O2 Sensor - CA Legal Replacement
  • CALIFORNIA OBDII COMPLIANT - MagnaFlow has put this catalytic converter through extensive testing in order to make sure that it meets or exceeds CARB (California Air Resources Board) OBDII requirements for legal use in California and CARB restricted states (Colorado) for certified vehicles
  • KEEP THE CHECK ENGINE LIGHT OFF - This MagnaFlow catalytic converter has been engineered to satisfy the vehicle computer control monitoring requirements for the specific applications listed. Such exacting standards keep the check engine light off while guaranteeing long-term reliability
  • PREMIUM STAINLESS-STEEL CONSTRUCTION - The utilization of highly corrosion resistant stainless-steel construction, free-flowing mandrel bent pipes and MagnaFlow’s cutting-edge CNC precision robotic manufacturing techniques ensure consistently perfect fitment, reliability, and superior longevity
  • 5 YEAR / 50,000-MILE LIMITED WARRANTY - Worry-free ownership is made possible thanks to the 5 year/50,000-mile construction and emissions warranty included with this MagnaFlow catalytic converter
  • UNIVERSAL FIT - MagnaFlow recommends professional installation for the universal configuration of this catalytic converter as cutting, fabrication and/or welding may be required. While this MagnaFlow part is universal, confirm fitment details above in "Confirmed Fit" feature
SaleNo. 2
Walker Exhaust Ultra EPA 15827 Direct Fit Catalytic Converter
  • EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA & CO. Legal in NY & ME on EPA Federal Emission Equipped Vehicles only. Consult your state's aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn't require specialized fabrication and/or welding
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES -- OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • STRONG AND DURABLE -- Features thick OE-style flanges, hangers and brackets for strength and durability
  • OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
SaleNo. 3
Walker Exhaust Standard EPA 15036 Universal Catalytic Converter
295 Reviews
Walker Exhaust Standard EPA 15036 Universal Catalytic Converter
  • EPA COMPLIANT -- For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA. Legal in NY and ME on all pre-OBD vehicles only. Consult your state's aftermarket converter regulations for details.
  • NO BREAK IN REQUIRED -- Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
  • DURABLE -- Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION -- Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
SaleNo. 4
MagnaFlow Universal Catalytic Converter HM Grade Federal/EPA Compliant 99204HM - Stainless Steel 2in Inlet/Outlet Diameter, 13in Overall Length, No O2 Sensor - HM Replacement
  • EPA OBDII COMPLIANT - This catalytic converter is designed to meet or exceed Federal EPA (Environmental Protection Agency) OBDII emissions requirements. Item is NOT shippable to CA or CO AND any order will need to be CANCELED if shipping address is located in either state
  • KEEP THE CHECK ENGINE LIGHT OFF - This MagnaFlow HM Grade catalytic converter has been engineered to satisfy the vehicle computer control monitoring requirements for the specific applications listed. Such exacting standards keep the check engine light off while guaranteeing long-term reliability
  • STAINLESS-STEEL CONSTRUCTION - The utilization of highly corrosion resistant stainless-steel construction, free-flowing mandrel bent pipes and MagnaFlow’s cutting-edge CNC precision robotic manufacturing techniques ensure consistently perfect fitment, reliability, and superior longevity
  • 5 YEAR / 50,000-MILE LIMITED WARRANTY - Worry-free ownership is made possible thanks to the 5 year/50,000-mile construction and 25,000-mile emissions warranty included with this MagnaFlow catalytic converter
  • UNIVERSAL FIT - MagnaFlow recommends professional installation for the universal configuration of this catalytic converter as cutting, fabrication and/or welding may be required. While this MagnaFlow part is universal, confirm fitment details above in "Confirmed Fit" feature
No. 5
Parts-Diyer Exhaust Manifold Catalytic Converter Replacement for 1999-2007 Chevy Chevrolet Silverado 1500 / GMC Sierra 1500 4.3L 4.8L 5.3L 50511 50463
16 Reviews
Parts-Diyer Exhaust Manifold Catalytic Converter Replacement for 1999-2007 Chevy Chevrolet Silverado 1500 / GMC Sierra 1500 4.3L 4.8L 5.3L 50511 50463
  • [FITMENT] - Compatible with 2002-2006 Chevrolet Avalanche 1500 5.3L, 1999-2007 Chevrolet Silverado 1500 4.3L 4.8L 5.3L, 2007 Chevrolet Silverado 1500 Classic 4.8L 5.3L, 1999-2000 Chevrolet Silverado 2500 5.3L, 2000-2006 Chevrolet Suburban 1500 2500 5.3L, 2000-2006 Chevrolet Tahoe 4.8L 5.3L, 1999-2007 GMC Sierra 1500 4.3L 4.8L 5.3L, 1999-2000 GMC Sierra 2500 5.3L, 2000-2006 GMC Yukon 4.8L 5.3L, 2000 GMC Yukon XL 2500, 2002-2005 Cadillac Escalade Base 5.3L.
  • [INTERCHANGE PART NUMBER] - 50511, 50463, 50462
  • [FUNCTION] - It is installed in the exhaust pipe of the engine. Through oxidation reaction, reduction reaction, water-based gas reaction and water vapor modification reaction, the three harmful exhaust gases CO, HC and NOx emitted by the engine are converted into harmless water, carbon dioxide and nitrogen, so it is also called the three-way (effect) catalytic converter.
  • [NOTE] - Not available to New York and California
  • [MAKE IT SURE] - Using the Drop-down menu at the top, you can see if this part is compatible with your vehicle
SaleNo. 6
DNA Motoring OEM-CONV-001 Factory Style Catalytic Converter Exhaust Y-Pipe Replacement Compatible With 02-05 Escalade Avalanche 1500 4.3 4.8 5.3L
  • Made Of High Quality Stainless Steel With Computerized Mandrel-Bends For Strength And Durability
  • Durable Catalyst Material, Oem Style Replacement
  • Fitment: Compatible With Escalade, Avalanche 1500 02-05; Silverado/Sierra 1500 99-05; Silverado/Sierra 2500 99-00; Suburban 1500 / Tahoe / Yukon Xl 00-06; Fits 4.3 4.8 5.3L Engines
  • Country Of Origin : China
No. 7
Dorman 674-132 Front Catalytic Converter with Integrated Exhaust Manifold Compatible with Select Chrysler / Dodge / Volkswagen Models (Non-CARB Compliant)
  • Direct replacement - this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
  • Convenient kit - includes gaskets and downpipe hardware to simplify installation
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value - backed by team of engineers and quality control experts in the United States
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
SaleNo. 8
MagnaFlow Universal Catalytic Converter OEM Grade Federal/EPA Compliant 51206 - Stainless Steel 2.5in Inlet/Outlet Diameter, 13in Overall Length, No O2 Sensor - OEM Replacement
  • EPA OBDII COMPLIANT - This catalytic converter is designed to meet or exceed Federal EPA (Environmental Protection Agency) OBDII emissions requirements. Item is NOT shippable to CA or CO AND any order will need to be CANCELED if shipping address is located in either state
  • KEEP THE CHECK ENGINE LIGHT OFF - This MagnaFlow OEM Grade catalytic converter has been engineered to satisfy the vehicle computer control monitoring requirements for the specific applications listed. Such exacting standards keep the check engine light off while guaranteeing long-term reliability
  • STAINLESS-STEEL CONSTRUCTION - The utilization of highly corrosion resistant stainless-steel construction, free-flowing mandrel bent pipes and MagnaFlow’s cutting-edge CNC precision robotic manufacturing techniques ensure consistently perfect fitment, reliability, and superior longevity
  • 5 YEAR / 50,000-MILE LIMITED WARRANTY - Worry-free ownership is made possible thanks to the 5 year/50,000-mile construction and 25,000-mile emissions warranty included with this MagnaFlow catalytic converter
  • UNIVERSAL FIT - MagnaFlow recommends professional installation for the universal configuration of this catalytic converter as cutting, fabrication and/or welding may be required. While this MagnaFlow part is universal, confirm fitment details above in "Confirmed Fit" feature
SaleNo. 9
Walker Exhaust Standard EPA 15037 Universal Catalytic Converter
  • EPA COMPLIANT -- For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA. Legal in NY and ME on all pre-OBD vehicles only. Consult your state's aftermarket converter regulations for details.
  • NO BREAK IN REQUIRED -- Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
  • DURABLE -- Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION -- Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
No. 10
MagnaFlow Universal Catalytic Converter California Grade CARB Compliant 334009 - Stainless Steel 3in Inlet/Outlet Diameter, 16in Overall Length, No O2 Sensor - CA Legal Replacement
23 Reviews
MagnaFlow Universal Catalytic Converter California Grade CARB Compliant 334009 - Stainless Steel 3in Inlet/Outlet Diameter, 16in Overall Length, No O2 Sensor - CA Legal Replacement
  • CALIFORNIA PRE-OBDII COMPLIANT - MagnaFlow has put this catalytic converter through extensive testing in order to make sure that it meets or exceeds CARB (California Air Resources Board) Pre-OBDII requirements for legal use in California and CARB restricted states (Colorado) for certified vehicles
  • UPGRADED DESIGN - MagnaFlow’s latest manufacturing technologies make it possible for a catalytic converter such as this one to benefit from improved exhaust flow characteristics and a modern construction design when compared to the part it’s replacing
  • PREMIUM STAINLESS-STEEL CONSTRUCTION - The utilization of highly corrosion resistant stainless-steel construction, free-flowing mandrel bent pipes and MagnaFlow’s cutting-edge CNC precision robotic manufacturing techniques ensure consistently perfect fitment, reliability, and superior longevity
  • 5 YEAR / 50,000-MILE LIMITED WARRANTY - Worry-free ownership is made possible thanks to the 5 year/50,000-mile construction and emissions warranty included with this MagnaFlow catalytic converter
  • UNIVERSAL FIT - MagnaFlow recommends professional installation for the universal configuration of this catalytic converter as cutting, fabrication and/or welding may be required. While this MagnaFlow part is universal, confirm fitment details above in "Confirmed Fit" feature

Intro

Find out where you can get the best Automotive Replacement Catalytic Converters & Parts! Making your choice among different Automotive Replacement Catalytic Converters & Parts on the market is not always easy. It can also turn into a daunting task because of the many websites offering the same type of product. On this page, we will give you a comparison to get the best value for your money. This complete ranking provides you with a comprehensive view and allows you to pick the best Automotive Replacement Catalytic Converters & Parts. You will find a broad selection of models, brands, and prices. Whether you want to save money or find out what is the best Automotive Replacement Catalytic Converters & Parts for you, our comparison will help you make the right choice. To keep things practical and easy to understand, we created a Top 10 of the best Automotive Replacement Catalytic Converters & Parts. You won’t have to choose your products at random anymore.. On your marks! Compare! Pick your Automotive Replacement Catalytic Converters & Parts!

Our Picks

SaleNo. 1
MagnaFlow Universal Catalytic Converter California Grade CARB Compliant 447206 - Stainless Steel 2.5in Inlet/Outlet Diameter, 13in Overall Length, No O2 Sensor - CA Legal Replacement
  • CALIFORNIA OBDII COMPLIANT - MagnaFlow has put this catalytic converter through extensive testing in order to make sure that it meets or exceeds CARB (California Air Resources Board) OBDII requirements for legal use in California and CARB restricted states (Colorado) for certified vehicles
  • KEEP THE CHECK ENGINE LIGHT OFF - This MagnaFlow catalytic converter has been engineered to satisfy the vehicle computer control monitoring requirements for the specific applications listed. Such exacting standards keep the check engine light off while guaranteeing long-term reliability
  • PREMIUM STAINLESS-STEEL CONSTRUCTION - The utilization of highly corrosion resistant stainless-steel construction, free-flowing mandrel bent pipes and MagnaFlow’s cutting-edge CNC precision robotic manufacturing techniques ensure consistently perfect fitment, reliability, and superior longevity
  • 5 YEAR / 50,000-MILE LIMITED WARRANTY - Worry-free ownership is made possible thanks to the 5 year/50,000-mile construction and emissions warranty included with this MagnaFlow catalytic converter
  • UNIVERSAL FIT - MagnaFlow recommends professional installation for the universal configuration of this catalytic converter as cutting, fabrication and/or welding may be required. While this MagnaFlow part is universal, confirm fitment details above in "Confirmed Fit" feature
SaleNo. 2
Walker Exhaust Ultra EPA 15827 Direct Fit Catalytic Converter
  • EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA & CO. Legal in NY & ME on EPA Federal Emission Equipped Vehicles only. Consult your state's aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn't require specialized fabrication and/or welding
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES -- OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • STRONG AND DURABLE -- Features thick OE-style flanges, hangers and brackets for strength and durability
  • OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
SaleNo. 3
Walker Exhaust Standard EPA 15036 Universal Catalytic Converter
295 Reviews
Walker Exhaust Standard EPA 15036 Universal Catalytic Converter
  • EPA COMPLIANT -- For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA. Legal in NY and ME on all pre-OBD vehicles only. Consult your state's aftermarket converter regulations for details.
  • NO BREAK IN REQUIRED -- Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
  • DURABLE -- Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION -- Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter

Why you should trust us?

This guide is the result of more than 10 years of experience in researching, testing, and writing about various subject. Our team members are experts in their fields. We spent 16 hours reading all the articles we could find online and all the customer reviews on various retail websites such as Amazon, Ebay, Alibaba or Flipkart. We also found many websites that provided valuable resources such as purchasing guides and detailed information on Automotive Replacement Catalytic Converters & Parts. To help you make the best choice among the hundreds of products available, we decided to offer you a comparison in order to find the best value for your money. We searched different fields to find the best Automotive Replacement Catalytic Converters & Parts. We also looked at the best alternatives for reasonably priced and easy to use products. After we determined our main parameters, we conducted our research and tests.These parameters separate a great product from an average one:

  • Price
  • Ease of use
  • Customer reviews
  • Quality
  • Durability

Conclusion

We hope this ranking was helpful to you in choosing the Automotive Replacement Catalytic Converters & Parts that best suits you. We made it thoroughly and we will update it regularly, so that you get a real-time comparison. Our goal is to allow you to compare models and prices, to get an overview of what the market has to offer. We are here to make it easier for you and to make informed decisions. If our ranking gave you a clearer view on the different products available, feel free to let us know in the comments section. We will happily read them.

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Last update on 2022-08-14 at 04:16 / Affiliate links / Images from Amazon Product Advertising API