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    • Walker® Catalytic Converter
      (17 reviews)
      # sp4305
      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. Trust Walker, an industry...
      $65.46 - $827.24
    • 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® 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...
      $41.49 - $789.47
    • Walker® Universal Fit Catalytic Converter
      (0 reviews)
      # sp4304
      Universal Fit 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. Trust...
      $65.46 - $129.94
    • Walker® CalCat™ Universal Fit Rear Catalytic Converter
      (2 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...
      $64.99 - $191.63
    • 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 - $345.51
    • Walker® Exhaust Gasket
      (13 reviews)
      # sp4409
      Exhaust Gasket 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...
      $1.16 - $32.16
    • Vibrant Performance® GESI UHO Series Catalytic Converter for 500-850HP (4" Inlet / Outlet Diameter, 7.5" Length) (7840)
      (0 reviews)
      # mpn458112246
      Universal GESI UHO Series Catalytic Converter for 500-850HP (4" Inlet / Outlet Diameter, 7.5" Length) (7840) by Vibrant Performance®. Vibrant Performance and Global Emissions Systems Inc. (GESi®) have teamed up to supply a series...
      EPA certified for use on OBD2 vehicles (1996 and newer) in jurisdictionswhere the installation of Universal Catalytic Converters is still permitted
      $448.35
    • Vibrant Performance® GESI UHO Series Catalytic Converter for 500-850HP (3.5" Inlet / Outlet Diameter, 7.5" Length) (7835)
      (0 reviews)
      # mpn458112245
      Universal GESI UHO Series Catalytic Converter for 500-850HP (3.5" Inlet / Outlet Diameter, 7.5" Length) (7835) by Vibrant Performance®. Vibrant Performance and Global Emissions Systems Inc. (GESi®) have teamed up to supply a...
      EPA certified for use on OBD2 vehicles (1996 and newer) in jurisdictionswhere the installation of Universal Catalytic Converters is still permitted
      $442.58
    • Vibrant Performance® GESI UHO Series Catalytic Converter for 500-850HP (3" Inlet / Outlet Diameter, 7.5" Length) (7830)
      (0 reviews)
      # mpn458112244
      Universal GESI UHO Series Catalytic Converter for 500-850HP (3" Inlet / Outlet Diameter, 7.5" Length) (7830) by Vibrant Performance®. Vibrant Performance and Global Emissions Systems Inc. (GESi®) have teamed up to supply a series...
      EPA certified for use on OBD2 vehicles (1996 and newer) in jurisdictionswhere the installation of Universal Catalytic Converters is still permitted
      $442.58
    • Vibrant Performance® GESI HO Series Catalytic Converter for 350-500HP (3" Inlet / Outlet Diameter, 7" Length) (7530)
      (0 reviews)
      # mpn458112243
      Universal GESI HO Series Catalytic Converter for 350-500HP (3" Inlet / Outlet Diameter, 7" Length) (7530) by Vibrant Performance®. Vibrant Performance and Global Emissions Systems Inc. (GESi®) have teamed up to supply a series of...
      EPA certified for use on OBD2 vehicles (1996 and newer) in jurisdictionswhere the installation of Universal Catalytic Converters is still permitted
      $398.75
    • Vibrant Performance® GESI HO Series Catalytic Converter for 350-500HP (2.5" Inlet / Outlet Diameter, 7" Length) (7525)
      (0 reviews)
      # mpn458112242
      Universal GESI HO Series Catalytic Converter for 350-500HP (2.5" Inlet / Outlet Diameter, 7" Length) (7525) by Vibrant Performance®. Vibrant Performance and Global Emissions Systems Inc. (GESi®) have teamed up to supply a series...
      EPA certified for use on OBD2 vehicles (1996 and newer) in jurisdictionswhere the installation of Universal Catalytic Converters is still permitted
      $393.25
    • Vibrant Performance® GESI Universal Ceramic Core Catalytic Converters (3" Inlet / Outlet Diameter, 18" Length) (7230)
      (0 reviews)
      # mpn458112241
      Universal GESI Universal Ceramic Core Catalytic Converters (3" Inlet / Outlet Diameter, 18" Length) (7230) by Vibrant Performance®. Vibrant Performance and Global Emissions Systems Inc. (GESi®) have teamed up to supply a series...
      EPA certified for use on OBD2 vehicles (1996 and newer) in jurisdictionswhere the installation of Universal Catalytic Converters is still permitted
      $340.73
    • Vibrant Performance® GESI Universal Ceramic Core Catalytic Converters (2.5" Inlet / Outlet Diameter, 18" Length) (7225)
      (0 reviews)
      # mpn458112240
      Universal GESI Universal Ceramic Core Catalytic Converters (2.5" Inlet / Outlet Diameter, 18" Length) (7225) by Vibrant Performance®. Vibrant Performance and Global Emissions Systems Inc. (GESi®) have teamed up to supply a series...
      EPA certified for use on OBD2 vehicles (1996 and newer) in jurisdictionswhere the installation of Universal Catalytic Converters is still permitted
      $335.21
    • Vibrant Performance® Stainles Steel Metal Core Round Catalytic Converter (2.25" Inlet / Outlet Diameter, 10" Length) (7102)
      (0 reviews)
      # mpn458112239
      Universal Stainles Steel Metal Core Round Catalytic Converter (7102) by Vibrant Performance®. Inlet Diameter - 3". Outlet Diameter - 3". Outer Shell Size - 4.00" OD. Overall Length - 10". Vibrant Performance Metal or Ceramic Core...
      T304 Stainless Steel ConstructionThese Converters are covered by a 5 year / 50,000 mile warranty
      $109.10




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    The Renault 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.

    Renault Catalytic Converters Reviews

    Average rating:  4.5  4.5 - 77 reviews
    4 of 5
    Supper Cool Sound!
    I bought this for my Mitsubishi and it sounds awesome! It's got a 3.5 l v6 and it makes it sound like its very souped up! And almost like it has a v8 in it. I couldn't be more happy with this product the sound will blow your mind on whatever you choose to put it on whether it be a six cylinder like I put it on or a v8 very much recommend this product if you want a really nearly sound.
    SPosted by Shawn (Shakopee, MN) /
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