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The 10 Best Automotive Replacement Catalytic Converters & Parts to Buy – April 2021 edition

Looking for the best Automotive Replacement Catalytic Converters & Parts?

Discover now our comparison of the best Automotive Replacement Catalytic Converters & Parts. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Automotive Replacement Catalytic Converters & Parts are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Automotive Replacement Catalytic Converters & Parts in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1
AUTOSAVER88 Catalytic Converter Compatible with 2004-2009 Toyota Prius 1.5L Direct-Fit High Flow Series (EPA Compliant) (ATCC0079)
  • AUTOSAVER88 direct-fit high flow catalytic converter is designed to meet even exceed OE quality and performance standards without sacrificing flow rate.
  • Features heavy-duty stainless steel construction, internal ceramic substrates and catalyst coating have been carefully engineered for maximum efficiency.
  • Bolt-on connection, flange to flange, direct installing to existing exhaust system without doing extra modification.
  • Genuine EPA certification, every catalytic converter body is stamped with exclusive EPA number. Federal EPA standard catalytic converters are backed 5 years or 50,000 miles limited warranty.
  • Vehicle Fitment: Compatible with 2004 2005 2006 2007 2008 2009 Toyota Prius 1.5L, please check product description page below for more information.
  • Fit type: Vehicle Specific
No. 2
MOSTPLUS Manifold Catalytic Converter w/Gasket Compatible for Nissan Altima 2.5L 2007 2008 2009 2010 2011 2012 2013 674-933
  • FITMENT: Compatible with Nissan Altima 2.5L 2007 2008 2009 2010 2011 2012 2013
  • OEM Part Number: 674-933, 140E2-ZX31E 140E2-JA02E 140E2ZX31E 140E2JA02E
  • Package Includes: 1pcs catalytic converter
  • NOTE: Non-CARB Compliant
  • Please check your car information before purchase.
SaleNo. 3
Walker Exhaust Standard EPA Catalytic Converter 15038 Universal Catalytic Converter
  • EPA COMPLIANT - Designed for use on pre-OBDII vehicles, 1995 & older. Not legal for sale or use in California. Legal in New York and Maine 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 or 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. 4
MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94006
  • EPA PRE-OBDII COMPLIANT: This catalytic converter is designed to meet or exceed Federal EPA (Environmental Protection Agency) Pre-OBDII emissions requirements in compliance with legal standards for federally registered vehicles. NOT for use in California or Colorado.
  • UPGRADED DESIGN: Using our latest catalytic converter manufacturing technologies, these early vehicle applications benefit from updated flow characteristics and modern construction designs.
  • STAINLESS STEEL CONSTRUCTION: The utilization of highly corrosion resistant stainless-steel construction and MagnaFlow’s cutting-edge CNC precision robotic manufacturing techniques ensure consistently perfect fitment, reliable performance 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: The universal configuration of this catalytic converter means that cutting, fabrication and/or welding may be required. MagnaFlow recommends professional installation.
No. 5
Walker 54562 Ultra EPA Certified 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
No. 6
Walker 54578 Ultra EPA Certified 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
No. 7
AUTOSAVER88 ATCC0063 Direct Fit Catalytic Converter (EPA Compliant)
  • AUTOSAVER88 direct-fit high flow catalytic converter is designed to meet even exceed OE quality and performance standards without sacrificing flow rate.
  • Features heavy-duty stainless steel construction, internal ceramic substrates and catalyst coating have been carefully engineered for maximum efficiency.
  • Bolt-on connection, flange to flange, direct installing to existing exhaust system without doing extra modification. (Item comes with mounting gasket and hardware).
  • Genuine EPA certification, every catalytic converter body is stamped with exclusive EPA number. Federal EPA standard catalytic converters are backed 5 years or 50,000 miles limited warranty.
  • Vehicle Fitment: Please check product description page below for more information.
No. 8
Walker Exhaust Ultra EPA 15820 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. 9
DNA Motoring OEM-CONV-018 Factory Style Catalytic Converter Exhaust Pipe Replacement
  • Made of High Quality Stainless Steel with Computerized Mandrel-Bends for Strength and Durability
  • Durable Catalyst Material, OEM Style Replacement
  • EPA OBD-II Approved
  • NOT Legal for sale or Use in California, New York, Or Maine Emissions Models
  • For use with Federal Emissions Models
SaleNo. 10
Walker 15036 EPA Certified Standard 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

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Last update on 2021-04-10 at 09:48 / Affiliate links / Images from Amazon Product Advertising API