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Updated: 06 Apr 2026

10 Best Car Catalytic Converters Rear

#1 Best Pick
A10E-2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust

A10E-2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust

Brand: AISHIAEIO
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  • A10E-2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust Catalytic Converter
  • Best Quality,Great emissions control device with stable performance, reliable quality and long service life.
  • 400 CPI Brick for engines up to 5.9L / 6,000LBS.
  • The right connector, no cutting or splicing required.
  • Gives your car a sharper and more sophisticated look.
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#2 Best Value
Front Catalytic Converter Car Catalytic Converters 2.5" Universal Car Catalytic Converter Exhaust Systems Muffler Length 11" 400 Ceramic/200 Cell Metallic Substrate(200 cell Metallic)

Front Catalytic Converter Car Catalytic Converters 2.5" Universal Car Catalytic Converter Exhaust Systems Muffler Length 11" 400 Ceramic/200 Cell Metallic Substrate(200 cell Metallic)

Brand: WRSMTOA
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  • 2.5" Universal Car Catalytic Converter Exhaust Systems Muffler Length 11" 400 Ceramic/200 Cell Metallic Substrate Engine Accessory
  • Main function is to convert toxic gases, Contaminants to harmless gases,helps to purify treat car exhaust.
  • By using it,it can help to improve exhaust gas flowly, save horsepower and torque.
  • The honeycomb structure can achieve maximum flow rate and surface area, allowing for full contact between catalytic action and exhaust gas without sacrificing exhaust flow rate.
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#3 Budget Pick
Front Catalytic Converter Car Catalytic Converters 2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust Catalytic Converter

Front Catalytic Converter Car Catalytic Converters 2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust Catalytic Converter

Brand: WRSMTOA
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  • 2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel Exhaust Catalytic Converter
  • Manufacturer Part Number:425250
  • Best Quality,Great emissions control device with stable performance, reliable quality and long service life.
  • The honeycomb structure can achieve maximum flow rate and surface area, allowing for full contact between catalytic action and exhaust gas without sacrificing exhaust flow rate.
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#4 Top Choice
Front Catalytic Converter Car Catalytic Converters 2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust

Front Catalytic Converter Car Catalytic Converters 2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust

Brand: WRSMTOA
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  • 2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust Catalytic Converter
  • Great emissions control device with stable performance, reliable quality and long service life 。
  • 400 CPI Ceramic Brick for engines up to 5.9L / 6,000LBS,O2 Sensor Port 。
  • The honeycomb structure can achieve maximum flow rate and surface area, allowing for full contact between catalytic action and exhaust gas without sacrificing exhaust flow rate.
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#5 Popular Choice
Front Catalytic Converter Car Catalytic Converters Portable 2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust Catalytic Converter

Front Catalytic Converter Car Catalytic Converters Portable 2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust Catalytic Converter

Brand: WRSMTOA
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  • Portable 2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust Catalytic Converter
  • Great emissions control device with stable performance, reliable quality and long service life。
  • 400 CPI Brick for engines up to 5.9L / 6,000LBS。
  • The honeycomb structure can achieve maximum flow rate and surface area, allowing for full contact between catalytic action and exhaust gas without sacrificing exhaust flow rate.
Check latest price on Amazon
#6 Top Pick
Kinwrdsn Catalytic Converter Replacement for Honda Accord 2008 2009 2010 2011 2012 Compatible with Acura TSX 2009-2014 L4 2.4L Replaces 641499, 674968

Kinwrdsn Catalytic Converter Replacement for Honda Accord 2008 2009 2010 2011 2012 Compatible with Acura TSX 2009-2014 L4 2.4L Replaces 641499, 674968

Brand: Kinwrdsn
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  • 【Fitment】— Our Catalytic converter Replacement for Honda Accord L4 2.4L 2008-2012
  • 【Fitment】— Our Catalytic converter Replacement for Acura TSX L4 2.4L 2009-2014
  • 【Functions】— Catalytic converter 100% Brand new never used or installed
  • 【Functions】— Catalytic converter is made of high quality stainless steel for increased strength and durability
  • 【Notice】— Please check the fitment details or use the year,make,model in the Amazon Fitment Filter System in the top left corner to confirm the compatibility before placing order
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#7 Top Pick
KAC Front Rear Catalytic Converter w/Exhaust Manifold Compatible with Avalon 2000-2004, ES300 1999-2001 V6 3.0L High Flow Catalytic Converter OEM 16396/16130, 2Pcs ​(EPA Compliant)

KAC Front Rear Catalytic Converter w/Exhaust Manifold Compatible with Avalon 2000-2004, ES300 1999-2001 V6 3.0L High Flow Catalytic Converter OEM 16396/16130, 2Pcs ​(EPA Compliant)

Brand: KAC
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  • [Vehicle Compatibility] - Catalytic converter Replacement for Avalon 2000-2004, ES300 1999-2001 V6 3.0L. OEM replace number: 16396/16130/1742020140/1742020160/2505220020/2505220080. Please refer Compatibility in the page description is more detail to confirm.
  • [High-Flow Catalytic Converter] - This catalytic converter features high-performance catalysts (rare earth precious metals) and a ceramic substrate (high-temperature & corrosion-resistant). It exhibits excellent thermal stability, mechanical strength, and oxidation reaction. Enable our converter to enhance flow, resulting in a 180% increase in conversion efficiency compared to regular converters.
  • [OEM Standards] - This catalytic converter with industrial grade stainless steel anti rust. Robust laser precision welding connections withstand high temperatures and pressures without leaks. With rigorous quality testing and extensive real-world testing guarantee the durability and reliability of the catalytic converter, providing a longer life.
  • [EPA-Approved] - Our catalytic converters have passed the Environmental Protection Agency's certification. They help vehicles comply with strict emission standards, minimize harmful emissions, improve fuel efficiency, and achieve energy conservation.
  • [Easy and Quick Install] - Catalytic converter designed by the manufacturer's in-house engineering team. Rigorous tolerance testing. Ideal replacement for OEM equipment. Direct bolt-on, plug-and-play installation is simple and requires no modification or drilling.
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#8 Top Pick
Front Catalytic Converter Car Catalytic Converters A10E-2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust

Front Catalytic Converter Car Catalytic Converters A10E-2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust

Brand: WRSMTOA
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  • A10E-2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust Catalytic Converter
  • Best Quality,Great emissions control device with stable performance, reliable quality and long service life.
  • 400 CPI Brick for engines up to 5.9L / 6,000LBS.
  • The honeycomb structure can achieve maximum flow rate and surface area, allowing for full contact between catalytic action and exhaust gas without sacrificing exhaust flow rate.
Check latest price on Amazon
#9 Top Pick
Car Catalytic Converters Front Catalytic Converter A10E-2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust

Car Catalytic Converters Front Catalytic Converter A10E-2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust

Brand: UXCEPZA
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  • A10E-2.5Inch Spun Universal Catalytic Converter High Flow Stainless Steel 425250 Exhaust Catalytic Converter
  • Best Quality,Great emissions control device with stable performance, reliable quality and long service life.
  • 400 CPI Brick for engines up to 5.9L / 6,000LBS.
  • To cope with humid and harsh working environments,Our products are made of sealed materials and stamping technology.
  • All-copper galvanized iron core for greatly improved performance,Pure copper meets or exceeds original specifications.
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#10 Top Pick
JT Exhaust Rear Catalytic Converter Compatible with Honda Accord 2008-2012 2.4L L4 (EPA Compliant)

JT Exhaust Rear Catalytic Converter Compatible with Honda Accord 2008-2012 2.4L L4 (EPA Compliant)

Brand: JT
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  • 【Efficient Environmental Performance】This item is designed to meet EPA OBDII emission requirements.The JT Exhaust catalytic converter employs advanced catalytic conversion technology to efficiently transform harmful emissions into more environmentally friendly gases, significantly reducing the vehicle's impact on the environment. It meets stringent emission standards, ensuring both your vehicle and the environment are well-protected.
  • 【Fitment】Fit for Honda Accord 2008-2012/for Acura TSX 2009-2013 2.4L L4
  • 【More Precious Metal Catalyst added】Add an Extra Precious Metal Catalyst that exceeds the requirements for EPA standards, which is the most important to improve catalyst efficiency and pass the Emission Test.
  • 【Longer Service Life】We use the Best Quality Stainless Steel shell, OEM grade Honeycomb Ceramic Substrate, and More Precious metal Close to the Original Performance.
  • 【Direct-fit Design】This item is Easy to install. We use 3D Scan Technology to Ensure the Installation Suitability. Direct-fit Design to fit your car to Ensure the part will fit like the Original equipment.
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