Best Catalytic Converter to Buy in 2023

Sometimes it might be quite difficult to find the best catalytic converter. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this catalytic converter buying guide.

Our Best Picks:

#	Preview	Product
1		AUTOSAVER88 Catalytic Converter Compatible with 2009-2014 Ford Expedition/Lincoln Navigator 5.4L,...	Check Price
2		Walker Exhaust Ultra EPA 50497 Direct Fit Catalytic Converter	Check Price
3		Aumzong Catalytic Converter Set,compatible with Nissan Frontier 2005-2014 Pathfinder 2005-2012 4.0L...	Check Price
4		Dorman 674-615 Front Catalytic Converter with Integrated Exhaust Manifold Compatible with Select...	Check Price
5		KAX 2Pcs Catalytic Converter Compatible With Edge/MKX/MKZ 3.5L 2007-2010, Flex/MKS 3.5L...	Check Price
6		AUTOSAVER88 Catalytic Converter Compatible with 1999-2004 Odyssey 3.5L, 1998-2002 Accord 3.0L,...	Check Price
7		Dorman 679-535 Rear Catalytic Converter Compatible with Select Ford/Lincoln Models (Non-CARB...	Check Price
8		2" Catalytic Converter Universal 2 Inch Inlet/Outlet Cat Converter with Heat Shield and O2 Port	Check Price
9		BoardRoad Catalytic Converter Stainless Steel High Flow For 09-17 Chevrolet Traverse/08-17 Buick...	Check Price
10		AUTOSAVER88 Catalytic Converter Compatible with 2002-2006 CRV 2.4L Direct-Fit (EPA Compliant)	Check Price

10 Best Catalytic Converter Reviews:

Bestseller No. 1

AUTOSAVER88 Catalytic Converter Compatible with 2009-2014 Ford Expedition/Lincoln Navigator 5.4L, 2011-2013 Ford F-150 5.0L Direct-Fit (EPA Compliant)

• ATTENTION: This item doesn't ship to California and Colorado, please confirm before purchase.
• VEHICLE FITMENT: Compatible with 2009-2014 Ford Expedition / Lincoln Navigator 5.4L, 2011-2013 Ford F-150 5.0L. Please check the product description page below for details.
• DIRECT FIT DESIGN: The flange is precisely-built 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 T409 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)

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SaleBestseller No. 2

Walker Exhaust Ultra EPA 50497 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

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Bestseller No. 3

Aumzong Catalytic Converter Set,compatible with Nissan Frontier 2005-2014 Pathfinder 2005-2012 4.0L V6 Replace# 16399,16400,16467,16468 4pcs

• Interchange Part Number:17171 17172 18219 18218 16400 16399 16467 16468.Placement on Vehicle:Front,Left,Rear,Right.Items Included:Bolts,Screw,Seal.
• Compatible with:Catalytic Converter fit for 2005-2018 Nissan Frontier 4.0L V6 GAS，2005-2012 Nissan Pathfinder 4.0L V6 GAS，2005-2015 Nissan Xterra 4.0L V6 GAS，2018 Nissan Frontier 4.0L V6 FLEX
• High Performance. Made from high quality materials and 100% inspected before leaving the factory to meet or exceed the performance of the original OE, ensuring reliability and durability of the product.Does NOT fit models with California Emission Standards (Not legal for sale in CA and NY）
• Easy installation:It is recommended that professional installation, first fix both ends of the joint, and then in the tightening, rather than directly tighten one side
• After-Sales Guarantee:If you are not completely satisfied with the quality of our Manifold Catalytic Converter,We can replace for free or refund your money.

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Bestseller No. 4

Dorman 674-615 Front Catalytic Converter with Integrated Exhaust Manifold Compatible with Select Ford/Lincoln 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

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Bestseller No. 5

KAX 2Pcs Catalytic Converter Compatible With Edge/MKX/MKZ 3.5L 2007-2010, Flex/MKS 3.5L 2009-2010,Fusion 3.5L 2010-2012,Mazda 6 V6 3.7L 2009-2013(EPA Compliant)

• [WIDE COMPATIBILITY] --- Catalytic Converter Compatible with Edge/MKX/MKZ 3.5L 2007-2010, Flex/MKS 3.5L 2009-2010 ,Fusion 3.5L 2010-2012 ,Mazda 6 V6 3.7L 2009-2013 .These free-flow catalytic converters have bolt-on connections and flange to flange design for effortless installation.
• [HIGH FLOW PERFORMANCE ] --- Our catalytic converters are built to meet OEM specifications and have EPA certification. They also feature a high flow design to increase conversion efficiency and vehicle power without sacrificing flow rate.
• [STAINLESS STEEL OUT SHELL] --- The high flow catalytic converters with heavy-duty stainless steel construction feature maximum durability. Firmly welded connections can withstand high temper and pressures for longer service life.
• [FLANGE TO FLANGE DESIGN] --- These free-flow catalytic converters have bolt-on connections and flange to flange design for effortless installation. They're also complete with full accessories as gaskets and hardware, facilitating your replacement.
• [COMPLIANCE WITH OBD III] --- The direct-fit catalytic converters are compliant with OBD III Standards but not with CARB. Thus, they can be used in most states except California& New York, not legal for use on vehicles required to meet CA emission standards.

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Bestseller No. 6

AUTOSAVER88 Catalytic Converter Compatible with 1999-2004 Odyssey 3.5L, 1998-2002 Accord 3.0L, 1999-2003 Acura TL, 2001-2003 Acura CL 3.2L Direct-Fit (EPA Compliant)

• ATTENTION: This item doesn't ship to California and Colorado, please confirm before purchase.
• VEHICLE FITMENT: Compatible with 1999-2004 Odyssey 3.5L, 1998-2002 Accord 3.0L, 1999-2003 Acura TL, 2001-2003 Acura CL 3.2L, please check the product description page below for details.
• DIRECT FIT DESIGN: The flange is precisely-built 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 T409 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)

Check Price

Bestseller No. 7

Dorman 679-535 Rear Catalytic Converter Compatible with Select Ford/Lincoln Models (Non-CARB Compliant)

• Direct replacement - this catalytic converter is designed to match the fit and performance of the original equipment on specific vehicles
• Durable construction - manufactured within strict tolerances for reliable longevity
• Cost-effective solution - offers original equipment functionality at a competitive price
• 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

Check Price

Bestseller No. 8

2" Catalytic Converter Universal 2 Inch Inlet/Outlet Cat Converter with Heat Shield and O2 Port

• 【Fitment】2 Inch universal catalytic converter: Standard 2" ID inlet/outlet, 13" overall length. Universal fit for vehicles with similar size OD exhaust. Please make sure this catalytic converter fits your vehicle.
• 【Attention】 This catalytic converter does not ship to California, Colorado, New York and Maine, please check your state's aftermarket converter regulations.
• 【Premium Quality】Made of high quality stainless steel. Highly heat, rust and corrosion resistant for longer life without fear of bending or melting, even under extreme conditions.
• 【Easy Installation】Our 2" universal catalytic converter matches the original car and easily installs to the existing exhaust system. May require cutting and/or welding, professional installation is highly recommended.
• 【Warranty】The 2 Inch universal catalytic converter from KASSEN comes with 2 years warranty. If any questions, please contact us immediately.

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Bestseller No. 9

BoardRoad Catalytic Converter Stainless Steel High Flow For 09-17 Chevrolet Traverse/08-17 Buick Enclave/07-17 GMC Acadia/07-10 Saturn Outlook (EPA Certification)

• ✅Fitment】：Fit For Buick Enclave 3.6L 6 Cylinder 2008-2017. Fit For Chevrolet Traverse 3.6L 6 Cylinder 2009-2017. Fit For GMC Acadia 3.6L 6 Cylinder 2007-2017. Fit For Saturn Outlook 3.6L 6 Cylinder 2007-2010.
• ✅【Material】：The ceramic carrier completely fills the inside of the interior of metal shell. The ceramic carrier is honeycomb, hollow , and coated with Rare Earth Stablizers metals. The hollow carrier is to help the gas flow.
• ✅【Features】：The ceramic hollow interior is coated with CeO2Rare earth stablizers metals, the ratio is up to standard, after full testing under extreme conditions,the heat resistance has been greatly improved and the service life has been fully extended.
• ✅【High flow design】：High flow design retains maximum engine output and maximizes catalytic efficiency.To provide more oxygen to your engine for an increase in power and performance.
• ✅【Perfect Fit】：We use the original car mold to produce the catalytic converter. Built to match the original car, Not a generic model. Highly fit , perfect in workmanship.

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SaleBestseller No. 10

AUTOSAVER88 Catalytic Converter Compatible with 2002-2006 CRV 2.4L Direct-Fit (EPA Compliant)

• ATTENTION: This item doesn't ship to California and Colorado, please confirm before purchase.
• VEHICLE FITMENT: Compatible with 2002 2003 2004 2005 2006 CR-V 2.4L, please check the product description page below for details.
• DIRECT FIT DESIGN: The flange is precisely-built 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 T409 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)

Check Price

Last update on 2023-03-24 / Affiliate links / Images from Amazon Product Advertising API

How to find the best catalytic converter?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best catalytic converter for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good catalytic converter recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

• What features does the catalytic converter need to have to be perfect for my needs?
• What is my budget?
• Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for catalytic converter to find what you’re looking for:

Brand

In some cases, the brand of catalytic converter is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given catalytic converter are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about catalytic converter are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare catalytic converter quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best catalytic converter can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.