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    • DEC® Exhaust Manifold with Integrated Catalytic Converter
      (0 reviews)
      # sp9246
      Exhaust Manifold with Integrated Catalytic Converter by DEC. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are made from a heavy duty...
      $17.33 - $933.80
    • Walker® CalCat Universal Fit Rear Catalytic Converter
      (3 reviews)
      # sp7146
      CalCat Universal Fit Rear Catalytic Converter by Walker. Walker offers complete coverage: direct-fit mufflers, converters, pipes, resonators and accessories. Walker is an OE supplier to many major nameplate vehicle manufacturers....
      $71.41 - $210.48
    • Eastern® Direct Fit Catalytic Converter
      (0 reviews)
      # sp4294
      Direct Fit Catalytic Converter by Eastern Catalytic. If you need to replace your failed or damaged catalytic converter, this product is the right choice. Designed specifically for your vehicle, this catalytic converter is a great...
      $86.30 - $1,086.65
    • Eastern® Universal Fit Catalytic Converter
      (0 reviews)
      # sp4295
      Universal Fit Catalytic Converter by Eastern Catalytic. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you definitely need a new one, and this product is the way to go. Made of...
      $68.15 - $246.15
    • Eastern® EPA Direct Fit Undercar Catalytic Converter
      (11 reviews)
      # sp7036
      EPA Direct Fit Undercar Catalytic Converter by Eastern. If you need to replace your failed or damaged catalytic converter, this product is the right choice. Designed specifically for your vehicle, this catalytic converter is a great...
      $41.49 - $789.47
    • Eastern® EPA Universal Fit Undercar Catalytic Converter
      (6 reviews)
      # sp7037
      Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you definitely need a new one, and this product is the way to go. Made of stainless steel, the catalytic converter is designed to reduce...
      $38.88 - $295.98
    • Davico® Direct Fit Catalytic Converter
      (5 reviews)
      # sp13664
      Direct Fit Catalytic Converter by Davico. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat fails to perform its job, replacement is the...
      $2.32 - $707.98
    • Walker® Exhaust Hanger
      (11 reviews)
      # sp4410
      Exhaust Hanger by Walker. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker accessories, you get...
      $1.82 - $50.90
    • Walker® Exhaust Rubber Insulator
      (11 reviews)
      # sp4411
      Exhaust Rubber Insulator by Walker. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker...
      $1.82 - $50.90
    • HJS® Exhaust Gasket
      (1 reviews)
      # sp1889
      Exhaust Gasket by HJS. Is your car noisier these days? Can you smell exhaust fumes in the cabin? Exhaust system repairs should not be put off, both for safety and legal reasons, but before you waste your time and gas rushing out to...
      $1.57 - $121.29
    • HJS® Exhaust Mount
      (1 reviews)
      # sp1896
      Exhaust Mount by HJS. Is your car noisier these days? Can you smell exhaust fumes in the cabin? Exhaust system repairs should not be put off, both for safety and legal reasons, but before you waste your time and gas rushing out to...
      $1.57 - $121.29
    • MagnaFlow® Direct Fit Catalytic Converter with Header
      (0 reviews)
      # sp840
      Direct Fit Catalytic Converter with Header by MagnaFlow. If your cat needs replacement, install one that will get you through the smog check and give you more horsepower. This converter is part of the exhaust header/manifold...
      $376.27 - $1,022.71
    • MagnaFlow® Direct Fit Header with Catalytic Converter
      (0 reviews)
      # sp848
      Direct Fit Header with Catalytic Converter by MagnaFlow. If your cat needs replacement, install one that will get you through the smog check and give you more horsepower. This converter is part of the exhaust header/manifold...
      $376.27 - $1,022.71
    • MagnaFlow® Direct Fit Pre-OBDII Driver Side Catalytic Converter with Header
      (5 reviews)
      # sp7279
      Direct Fit Pre-OBDII Driver Side Catalytic Converter with Header by MagnaFlow. If your car needs replacement, install one that will get you through the smog check and give you more horsepower. This converter is part of the exhaust...
      $238.99 - $796.77
    • Bosal® Direct Fit Manifold with Integrated Catalytic Converter (096-1281)
      (0 reviews)
      # mpn1040167
      Direct Fit Manifold with Integrated Catalytic Converter by Bosal. Converter Configuration: Direct Fit. CARB Compliant: No. Includes: O2 Sensor Ports. If youre in need of a replacement catalytic converter, you cant do better than...
      $395.34




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    The Mini catalytic converter (AKA catcon or cat) was first introduced in the mid-70's, and back then, it performed only two tasks, which is exactly why it was called a two-way converter. It oxidized carbon monoxide to carbon dioxide and hydrocarbons to water and carbon dioxide (oxidation stage). In 1981, the two-way converter was replaced by a much more efficient three-way catcon, which additionally reduced nitrogen oxide emissions (reduction stage).

    Today, the two-way version is used in diesel applications only, while most vehicles are equipped with a three-way catalytic converter. Located between the engine and muffler, the converter actually resembles a muffler in shape, though the construction of these two units is completely different. The body of the converter is usually made of stainless steel. Inside the body, you'll find an insulated chamber, which contains three main components of any converter: substrate (or catalyst core), washcoat, and catalyst.

    The catalyst core usually has a honeycomb structure, and it's most often a ceramic monolith. Basically, it serves as a support for the washcoat. The washcoat itself is a carrier for the catalytic materials. Materials for the washcoat are chosen to form an irregular surface, which maximizes the catalytically active layer available to react with the exhaust gases. And then comes the catalyst, which is most ofter a mixture of precious metals such as palladium (oxidation catalyst) and rhodium (reduction catalyst). When the exhaust stream passes through the converter, it contacts with the catalyst and all the toxic elements covert into the harmless substances. The leaving gas is monitored by the control system to make sure it meets the emissions requirements.

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    Mini Catalytic Converters Reviews

    Average rating:  4.5  4.5 - 39 reviews
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    CanAmMex® 00747-212 - Thunderbolt™ Hi-Polished Single Rolled Angled Oval Tip
    These appear to be of very good quality, good welds.
    JPosted by John (Enfield, CT) /
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