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The 10 Best Automotive Replacement Catalytic Converter Parts to Buy – September 2021 edition

Looking for the best Automotive Replacement Catalytic Converter Parts?

Discover now our comparison of the best Automotive Replacement Catalytic Converter 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 Converter 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 Converter 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.

SaleNo. 1
MAYASAF 2" Inlet/Outlet Universal Catalytic Converter, with O2 Port & Heat Shield (EPA Compliant)
  • 【High Quality & Flow】Our universal fit catalytic converter is designed to meet even exceed OE quality and performance standards. Made from HD-Stainless steel, high flow design to provide more oxygen for an increase in power and performance, fully tested under the extreme conditions for heat resistance and service life.
  • 【Easy installing】Perfectly matched with the original vehicle, and can be installed easyly to existing exhaust system, cutting and welding may required, professional installation is highly recommended.
  • 【EPA CERTIFIED】Backed in 2 years or 50,000 miles limited warranty, for any manufacturer defect. But not legal for use on vehicles required to meet California emission standards. NOT SHIP TO CA AND NY.
  • 【Vehicle Fitment】Universal for vehicles with 2 inches outer diameter exhaust pipe. Please check product description page below to make sure this item fits your vehicle first.
  • 【Worry-free Aftermarket】Well-packaged and Free shipping by UPS/USPS/Amazon shipping, kindly contact us first if you have any problems, let's make it right!
No. 2
Walker Exhaust Ultra EPA 50542 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
No. 3
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
  • OEM Style Replacement Catalytic Converter Exhaust Y-Pipe, Precision-engineered For Long-lasting Performance
  • Made of High Quality Stainless Steel with Computerized Mandrel-Bends for Strength and Durability
  • [*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
  • [*Note]: For Use with Federal Emissions Models; NOT Legal for sale or Use in California, New York, Or Maine Emissions Models
  • [*Reference Part Number]: 50366, 50462, 0795241
No. 4
AUTOSAVER88 Catalytic Converter Compatible with 1999-2007 Chevy Silverado GMC Sierra 1500 2500, Chevrolet Tahoe/Avalanche Suburban 1500, GMC Yukon/Cadillac Escalade 4.3L 4.8L 5.3L (EPA Compliant)
  • AUTOSAVER88 direct-fit high flow catalytic converter is designed to meet or even exceed OE quality and performance standards without sacrificing flow rate.
  • Features heavy-duty stainless steel outer shell construction for maximum durability. The internal substrates and precious metal loading have been carefully engineered for maximum efficiency and to avoid MIL (Malfunction Indicator Lamp) code issues that are common with lower quality converters.
  • The standard OE specification flanges are designed for easy installation, direct bolts to existing exhaust system without doing extra modification.
  • Genuine federal EPA certification and OBDII compliant, every catalytic converter is stamped with an exclusive EPA number on the shell. Federal EPA certificated catalytic converters are backed 5 years or 50,000 miles limited warranty.
  • Vehicle Fitment: Compatible with 1999-2007 Chevy Silverado 1500 2500 / Tahoe / Avalanche 1500 / Suburban 1500, GMC Sierra 1500 2500 / Yukon, Cadillac Escalade, please check product description page below for more references.
No. 5
Walker Exhaust Standard EPA 15602 Direct Fit Catalytic Converter
  • EPA COMPLIANT -- For use on pre-OBD 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.
  • 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
  • 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 16337 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
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.
No. 8
Catco 608216 Federal / EPA Catalytic Converter - Universal OBDII
  • AP Exhaust Products
  • Package Dimensions: 46.99 L x 12.953 H x 13.208 W (centimeters)
  • Package Weight : 6.0 pounds
  • Country of Origin : United States
No. 9
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 on 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 reliable long-term performance
  • 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 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. In addition, we suggest contacting the official MagnaFlow Exhaust Products seller account to confirm there’s no issue selecting your vehicle in Amazon’s system to ensure it is the correct fit
No. 10
Dorman 674-863 Front Catalytic Converter with Integrated Exhaust Manifold for Select Lexus / Toyota 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 Amazon Garage

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Last update on 2021-09-20 at 08:28 / Affiliate links / Images from Amazon Product Advertising API