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

Looking for the best Automotive Replacement Catalytic Converters?

We did 13 hours of research and testing 8 products to create this review. We believe the best Automotive Replacement Catalytic Converters 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

No. 1
Walker Exhaust Ultra EPA 16436 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. 2
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
No. 3
AutoShack EMCC26394 Front Catalytic Converter with Gasket Direct Fit Replacement for 2004 2005 2006 Toyota Sienna 2004-2007 Highlander 2004-2006 Lexus RX330 3.3L V6 AWD FWD (EPA Compliant)
  • Direct fit for installation onto existing exhaust system. Hardware included. 100% new
  • EPA Compliant
  • Made from premium quality materials to meet OEM specifications
  • This product is not legal for sale or use in California, Colorado, New York and Maine due to state emissions regulations
  • Replacement for 2004 2005 2006 Toyota Sienna 2004-2007 Highlander 2004-2006 Lexus RX330 3.3L V6 AWD FWD. Please use Amazon's vehicle fitment tool located at the top of this listing to confirm that the part is correct for your vehicle application
No. 4
MagnaFlow Universal Catalytic Converter California Grade CARB Compliant 418005 - Stainless Steel 2.25in Inlet/Outlet Diameter, 15in 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
No. 5
AUTOSAVER88 Catalytic Converter Compatible with 2001-2003 RAV4 Base 2.0L Direct-Fit (EPA Compliant)
  • ATTENTION: This item doesn't ship to California and Colorado, please confirm before purchase.
  • VEHICLE FITMENT: Compatible with 2001 2002 2003 RAV4 Base 2.0L, please check the product description page below for details.
  • DIRECT FIT DESIGN: Adopted the advanced laser-cutting tech, the flange is designed to meet standard OE specifications without extra modification, and all installation holes are firmly and exactly fixed with attached gaskets and hardware.
  • HIGHER EFFICIENCY & QUALITY: Internal ceramic substrates contain ample metal catalysts and offer a larger surface area to fully react; Adopts heavy-duty T442 stainless steel shell that highly resists heat, rust, and corrosion for longer service life, no worry about bending or melting.
  • EPA CERTIFIED: EPA Federal Standard Certificated, all AUTOSAVER88's catalytic converters are stamped with an exclusive EPA number on the shell. AUTOSAVER88 offers a 5-year or 50,000 miles limited warranty, for any manufacturer defect.(NOTE: Professional installation would be highly recommended)
SaleNo. 6
Walker Exhaust Ultra EPA 16796 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. 7
Walker Exhaust Standard EPA 15052 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. 8
AUTOSAVER88 Catalytic Converter Compatible with 1998-2002 Corolla | Chevy Prizm 1.8L Direct-Fit (EPA Compliant)
  • ATTENTION: This item doesn't ship to California and Colorado, please confirm before purchase.
  • VEHICLE FITMENT: Compatible with 1998 1999 2000 2001 2002 Corolla | Chevrolet Prizm I4 1.8L,, please check the product description page below for details.
  • DIRECT FIT DESIGN: Adopted the advanced laser-cutting tech, the flange is designed to meet standard OE specifications without extra modification, and all installation holes are firmly and exactly fixed with attached gaskets and hardware.
  • HIGHER EFFICIENCY & QUALITY: Internal ceramic substrates contain ample metal catalysts and offer a larger surface area to fully react; Adopts heavy-duty T444 stainless steel shell that highly resists heat, rust, and corrosion for longer service life, no worry about bending or melting.
  • EPA CERTIFIED: EPA Federal Standard Certificated, all AUTOSAVER88's catalytic converters are stamped with an exclusive EPA number on the shell. AUTOSAVER88 offers a 5-year or 50,000 miles limited warranty, for any manufacturer defect.(NOTE: Professional installation would be highly recommended)
SaleNo. 9
Walker Exhaust Ultra EPA 93266 Universal 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.
  • 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
  • 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. 10
Walker Exhaust Ultra EPA 50564 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

Intro

Find out where you can get the best Automotive Replacement Catalytic Converters! Making your choice among different Automotive Replacement Catalytic Converters 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. 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 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. You won’t have to choose your products at random anymore.. On your marks! Compare! Pick your Automotive Replacement Catalytic Converters!

Our Picks

No. 1
Walker Exhaust Ultra EPA 16436 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. 2
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
No. 3
AutoShack EMCC26394 Front Catalytic Converter with Gasket Direct Fit Replacement for 2004 2005 2006 Toyota Sienna 2004-2007 Highlander 2004-2006 Lexus RX330 3.3L V6 AWD FWD (EPA Compliant)
  • Direct fit for installation onto existing exhaust system. Hardware included. 100% new
  • EPA Compliant
  • Made from premium quality materials to meet OEM specifications
  • This product is not legal for sale or use in California, Colorado, New York and Maine due to state emissions regulations
  • Replacement for 2004 2005 2006 Toyota Sienna 2004-2007 Highlander 2004-2006 Lexus RX330 3.3L V6 AWD FWD. Please use Amazon's vehicle fitment tool located at the top of this listing to confirm that the part is correct for your vehicle application

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 13 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. 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. 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 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 2022-08-19 at 14:56 / Affiliate links / Images from Amazon Product Advertising API