Top 10 BestCatalytic Converter – Editor Recommended

What is the catalytic converter on the market today? With so many options, it’s normal for consumers to become overwhelmed when trying to find an appropriate brand for shopping. There are way too many choices on the market, including knock-off brands that are cheaply built. 

Our review team is a group of avid product hunters, and they want to share their experiences with you.

To help you find the catalytic converter brand we analyzed & researched all the features that are right for you and came up with a list of 10 different options to purchase.

We also took time to assess a wide variety of options including durability, materials, designs, expert reviews & customer ratings to find the best-performing catalytic converter

The resulting review has in-depth details on specific performance areas, as well as recommendations for your goals and budget. 

Read on and know which is right for you.

Comparison Table: 10 Best catalytic converter 
# Preview Product Score
1 2' Catalytic Converter Universal 2 Inch Inlet/Outlet Cat Converter with Heat Shield and O2 Port

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

9.7
2 AUTOSAVER88 ATCC0016 2' Inlet/Outlet Universal Catalytic Converter with O2 Port and Heat Shield (EPA Compliant)

AUTOSAVER88 ATCC0016 2" Inlet/Outlet Universal Catalytic Converter with O2 Port and Heat Shield (EPA...

9.5
3 WSDCAM Catalytic Converter Alarm 113dB Loud Wireless Catalytic Converter Anti Theft Vibration Vehicle Security Alarm System Motorcycle Car Alarm with Remote Catalytic Convertidor Anti Theft Alarm

WSDCAM Catalytic Converter Alarm 113dB Loud Wireless Catalytic Converter Anti Theft Vibration...

9.4
4 2.5' Catalytic Converter Universal 2.5 Inch Inlet/Outlet Cat Converter with Heat Shield and O2 Port

2.5" Catalytic Converter Universal 2.5 Inch Inlet/Outlet Cat Converter with Heat Shield and O2 Port

9.8
5 AutoShack EMCC00005 Catalytic Converter with Gasket Direct Fit Replacement for 2009-2011 Chevrolet Aveo Aveo5 2009 2010 Pontiac G3 2009 G3 Wave Suzuki Swift+ 1.6L (EPA Compliant)

AutoShack EMCC00005 Catalytic Converter with Gasket Direct Fit Replacement for 2009-2011 Chevrolet...

9.6
6 AUTOSAVER88 Catalytic Converter Compatible with 2003-2011 Element 2.4L L4 Direct-Fit (EPA Compliant)

AUTOSAVER88 Catalytic Converter Compatible with 2003-2011 Element 2.4L L4 Direct-Fit (EPA Compliant)

9.5
7 MOSTPLUS Manifold Catalytic Converter w/Gasket LH 16450 + RH 16451 Compatible with 03-09 Acura MDX Honda Accord Pilot Odyssey

MOSTPLUS Manifold Catalytic Converter w/Gasket LH 16450 + RH 16451 Compatible with 03-09 Acura MDX...

9.3
8 MAYASAF 3' Inlet/Outlet Universal Catalytic Converter, 14' Overall Length, w/o O2 Port (EPA Compliant)

MAYASAF 3" Inlet/Outlet Universal Catalytic Converter, 14" Overall Length, w/o O2 Port (EPA...

9.5
9 MAYASAF Catalytic Converter w/Gasket Fit for HONDA Accord 2003 2004 2005 2006 2007 2.4L L4 (EPA Compliant)

MAYASAF Catalytic Converter w/Gasket Fit for HONDA Accord 2003 2004 2005 2006 2007 2.4L L4 (EPA...

9.5
10 AUTOSAVER88 Catalytic Converter Compatible with 1999-2006 Subaru Impreza, Forester, Legacy, Outback, Baja 2.5L Direct-Fit Stainless Steel (EPA Compliant)

AUTOSAVER88 Catalytic Converter Compatible with 1999-2006 Subaru Impreza, Forester, Legacy, Outback,...

9.3

10 Best catalytic converter Reviews:

Ranking. 1

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.
SaleRanking. 2

AUTOSAVER88 ATCC0016 2" Inlet/Outlet Universal Catalytic Converter with O2 Port and Heat Shield (EPA Compliant)

  • ATTENTION: This item doesn't ship to California and Colorado, please confirm before purchase.
  • VEHICLE FITMENT: Universal fit for vehicles with 2-inch outer diameter exhaust pipe while cutting and welding may be required so professional installation is highly recommended.
  • HIGH FLOW & EFFICIENCY: Internal honeycomb ceramic substrates have porous structure to increase the reaction area, and ensure sufficient catalysts (Pt, Rh, Pd) on the coating surface for a higher conversion rate.
  • DURABILITY: Adopts heavy-duty T409 stainless steel shell that highly resists heat, rust, and corrosion for longer service life, no worry about bending or melting even in extreme conditions.
  • WORRY-FREE PURCHASE: 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.
Ranking. 3

WSDCAM Catalytic Converter Alarm 113dB Loud Wireless Catalytic Converter Anti Theft Vibration Vehicle Security Alarm System Motorcycle Car Alarm with Remote Catalytic Convertidor Anti Theft Alarm

  • This anti-theft alarm triggered by vibration. Attached the alarm under the car on the connecting pipe or tailpipe with included stainless steel straps and heat guard tapes, if thieves attempt to remove the catalytic converter the anti-theft alarm will be activated and make 113dB loud alarm
  • DOUBLE LAYER HEAT INSULATION & EASY INSTALLATION - Two heat guard tapes with the higher temperature heat resistance can take radiant heat up to 3000℉. Easy do it yourself installation, need a jack to lift your car
  • ADJUSTABLE VOLUME - 3 levels adjustable volume, up to 113dB LOUD alarm, scare off potential thieves effectively and give you good peace of mind. Well-made catalytic converter alarm with great performance
  • ADJUSTBALE SENSITIVITY - 7 levels adjustable sensitivity from low to high, easy to set it as your need. The factory default is the highest level and we suggest set it at the highest sensitivity level
  • REMOTE CONTROL - Wireless control by remote, strong wireless range up to 66ft. Vehicle search function, easy to find your vehicles in parking lot, 3 kinds of bells for your choice. IP55 waterproof, suitable for outdoor use
Ranking. 4

2.5" Catalytic Converter Universal 2.5 Inch Inlet/Outlet Cat Converter with Heat Shield and O2 Port

  • 【Fitment】2.5 Inch universal catalytic converter: Standard 2.5" ID inlet/outlet. 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 2.5" 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 2.5 Inch universal catalytic converter from KASSEN comes with 2 years warranty. If any questions, please contact us immediately.
Ranking. 5

AutoShack EMCC00005 Catalytic Converter with Gasket Direct Fit Replacement for 2009-2011 Chevrolet Aveo Aveo5 2009 2010 Pontiac G3 2009 G3 Wave Suzuki Swift+ 1.6L (EPA Compliant)

  • Direct fit for installation onto existing exhaust system. Hardware included. 100% new
  • EPA Compliant. OE / Interchange: 96476195, 674616, 674-616, 1240
  • 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 2009-2011 Chevrolet Aveo Aveo5 2009 2010 Pontiac G3 2009 G3 Wave Suzuki Swift+ 1.6L. Please use Amazon's vehicle fitment tool (located at the top of the listing on desktop, below the images on mobile) to confirm that the part is correct for your vehicle application
SaleRanking. 6

AUTOSAVER88 Catalytic Converter Compatible with 2003-2011 Element 2.4L L4 Direct-Fit (EPA Compliant)

  • ATTENTION: This item doesn't ship to California and Colorado, please confirm before purchase.
  • VEHICLE FITMENT: Compatible with 2003-2011 Element 2.4L L4, 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 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)
Ranking. 7

MOSTPLUS Manifold Catalytic Converter w/Gasket LH 16450 + RH 16451 Compatible with 03-09 Acura MDX Honda Accord Pilot Odyssey

  • Fitment: Compatible with 2003-2007 Honda Accord 3.0L,Compatible with 2005-2007 Honda Odyssey 3.5L(NOTE: NOT FIT 2008-2010 ODYSSEY),Compatible with 2005-2008 Honda Pilot 3.5L,Compatible with 2006-2008 Honda Ridgeline 3.5L,Compatible with 2003-2006 Acura MDX 3.5L,Compatible with 2007-2009 Acura MDX 3.7L,Compatible with 2004-2008 Acura TL 3.2L,Compatible with 2007-2008 Acura TL 3.5L,Compatible with 2004-2007 Saturn Vue 3.5L
  • OEM Part Number: 674-850 16450 641355 40656 ; 674-849 16451 641356 40657(Please check your car information before purchase.)
  • Package Includes: 2 x Set Catalytic Converter (as pictures show)
  • Non-CARB Compliant
  • Placement on Vehicle: Front Left + Right
Ranking. 8

MAYASAF 3" Inlet/Outlet Universal Catalytic Converter, 14" Overall Length, w/o O2 Port (EPA Compliant)

  • 【Attention】 Not ship to states such as California, Colorado, Maine, and New York, etc. due to state emissions regulations. Please consult your state’s aftermarket converter regulations before purchase.
  • 【Vehicle Fitment】Standard 3 inches inside diameter inlet /outlet, 14 inches overall length. Universal fit for vehicles with similar size outer diameter exhaust pipe. Please make sure this item fits your vehicle.
  • 【Easy Installation】Matched with the original vehicle, installed easily to existing exhaust system. May require cutting and/or welding, professional installation is highly recommended.
  • 【DURABLE】Made from Features HD-Stainless steel, high flow design to provide more oxygen to your engine, fully tested under the extreme conditions for service life.
  • 【Worry-free Aftermarket】EPA CERTIFIED, backed in 2 years or 50,000 miles limited warranty, for any manufacturer defect. Kindly let us know if you have any problems, let's make it right!
Ranking. 9

MAYASAF Catalytic Converter w/Gasket Fit for HONDA Accord 2003 2004 2005 2006 2007 2.4L L4 (EPA Compliant)

  • 【Vehicle Fitment】Fit for 2003 2004 2005 2006 2007 for HONDA Accord 2.4L L4. Please make sure this item fits your vehicle.
  • 【DURABLE】Made from Features HD-Stainless steel, high flow design to provide more oxygen to your engine, fully tested under the extreme conditions for service life.
  • 【Direct Replacement】Matched with the original vehicle, installed easily to existing exhaust system without doing extra modification, professional installation is highly recommended.
  • 【EPA CERTIFIED but Non-compliant with CARB】Backed in 2 years or 50,000 miles limited warranty, for any manufacturer defect. But the listed product has not been registered with CARB nor received an EO number. It is prohibited from sale in states which have adopted California's vehicle emission standards, such as California. Consult your state’s aftermarket converter regulations.
  • 【Worry-free Aftermarket】Well-packaged and Free shipping, kindly contact us first if you have any problems, let's make it right!
SaleRanking. 10

AUTOSAVER88 Catalytic Converter Compatible with 1999-2006 Subaru Impreza, Forester, Legacy, Outback, Baja 2.5L Direct-Fit Stainless Steel (EPA Compliant)

  • ATTENTION: This item doesn't ship to California and Colorado, please confirm before purchase.
  • VEHICLE FITMENT: Compatible with 2002-2005 Impreza, 1999-2005 Forester, 2000-2005 Legacy / Outback, 2003-2006 Subaru Baja 2.5L, please check 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 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)
Review

Last update on Sunday, October 2, 2022 - 4:17:09 / Affiliate links / Images from Amazon Product Advertising API

Leave a Comment