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    • (12 reviews)
      # sp4602
      Catalytic Converter by Bosal®. Bosal has a comprehensive range of more than 1,000 petrol and diesel catalytic converters, including the latest Euro 4 type-approved units. Manufactured in TUV-certified plants using the latest...
      Ensures an even distribution of the gas flow in the converter to deliver optimized conversion of harmful gasesConcepts-enhance the reduction of emissions and ensure a high durability
      $55.21 - $855.84
    • (8 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...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $30.02 - $1,639.28
    • (3 reviews)
      # sp18944
      Direct Fit Catalytic Converter by PaceSetter®. CARB Compliant: No. Converter Configuration: Direct Fit. Catalytic Converter Format: Main Catalytic Converter. Stainless Steel. Custom Engineered to deliver maximum performance and...
      Direct-Fit Catalytic Converters are a direct replacement for original equipmentManufactured using mandrel-bent 16-gauge and stainless steel tubing
      $88.55 - $487.08
    • (7 reviews)
      # sp106571
      ECO II Universal Fit Undercar Catalytic Converter by Eastern®. Focused on manufacturing only top-grade emission control products, Eastern Catalytic will perfectly serve your purpose if you opt for a high quality catalytic...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $32.00 - $258.93
    • (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...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $32.00 - $258.93
    • (19 reviews)
      # sp4303
      Direct 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 Walker,...
      Flange to flange, direct fit design bolts to existing exhaustEPA & CARB Emissions Products Available for Most Vehicles
      $73.19 - $872.55
    • (19 reviews)
      # sp10058
      Ultra™ Direct-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...
      5 Year / 50,000 Miles Warranty on Structural Components5 Year / 50,000 Miles Warranty on Exhaust Emission (CARB Models)
      $80.01 - $764.17
    • (7 reviews)
      # sp93964
      Direct Fit Catalytic Converter by AP Exhaust®. The growing concern for the environment means there is a growing need for quality emission control products. AP catalysts and catalytic convert systems can be found in a vast array of...
      5-year/50,000-mile warranty on converter body25,000-mile warranty on emissions
      $37.10 - $1,001.87
    • (9 reviews)
      # sp92788
      Direct Fit 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 stainless steel outer shell...
      Direct fitMade from a heavy duty stainless steel outer shell
      $83.50 - $941.05
    • (16 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...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $34.83 - $1,080.99
    • (0 reviews)
      # sp106310
      CalCat™ Exhaust Manifold with Integrated 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...
      Constructed to meet your vehicle’s specific emissions requirementsDirect fit design
      $185.69 - $829.83
    • (0 reviews)
      # sp106550
      ECO CARB Exhaust Manifold with Integrated Catalytic Converter by Eastern®. If you need to replace your failed or damaged manifold, this product is the right choice. Designed specifically for your vehicle, this manifold with...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $223.48 - $756.29
    • (0 reviews)
      # sp106557
      ECO II Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Eastern®. If you need to replace your failed or damaged manifold, this product is the right choice. Designed specifically for your vehicle, this...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $175.91 - $613.65
    • (1 review)
      # sp106558
      ECO III Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Eastern®. If you need to replace your failed or damaged manifold, this product is the right choice. Designed specifically for your vehicle, this...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $196.71 - $618.63
    • (2 reviews)
      # sp21032
      Manifold with Integrated Catalytic Converter by Eastern®. If you need to replace your failed or damaged manifold, this product is the right choice. Designed specifically for your vehicle, this manifold with integrated catalytic...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $222.08 - $548.83
    • (0 reviews)
      # sp106567
      Standard Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Eastern®. If you need to replace your failed or damaged manifold, this product is the right choice. Designed specifically for your vehicle, this...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $297.06 - $599.00
    • (0 reviews)
      # sp109872
      Direct Fit Catalytic Converter with Integarted Exahust Manifold by AP Exhaust®. The growing concern for the environment means there is a growing need for quality emission control products. AP catalysts and catalytic convert systems...
      5-year / 50,000-mile warranty on converterSpecifically engineered for Manifold Converter equipped vehicles.
      $177.89 - $732.00
    • (0 reviews)
      # sp103492
      Stainless Steel Exhaust Manifold with Integrated Federal Catalytic Converter by AP Exhaust®. Catalytic Converter Substrate Material: Ceramic. Converter Body Material: Stainless Steel. Catalytic Converter Overall Length: 17.75""....
      5-year / 50,000-mile warranty on converterSpecifically engineered for Manifold Converter equipped vehicles.
      $267.24 - $732.00
    • (2 reviews)
      # sp20037
      Manifold with Integrated Catalytic Converter by Bosal®. Converter Configuration: Direct Fit. Catalytic Series: Premium Load. CARB Compliant: No. If you’re in need of a replacement catalytic converter, you can’t do better than...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $179.54 - $552.31
    • (2 reviews)
      # sp95244
      Exhaust Manifold With Integrated Catalytic Converters by Dorman®. More like a complete kit than a single part, many of the Exhaust Manifolds include gaskets and hardware for a complete installation. Since this part is a direct...
      Includes heat-shield for protection of hoses, wiring, and other engine componentsCast iron or stainless tubular construction protects against warping and/or cracking
      $59.15 - $974.70
    • (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...
      Direct fitMade from a heavy duty stainless steel outer shell
      $227.05 - $1,327.23
    • (0 reviews)
      # sp104146
      Exhaust Manifold with Integrated Catalytic Converter by ATP®. ATP Graywerks Exhaust Manifold-Converters provide a tested and proven solution to repair vehicles with increased emissions or check engine lights due to catalytic...
      Engineered as direct OE replacement ensuring manifold will line up and flow like the original unitHigh grade steel and precious metals resist fatigue and provide long lasting reliable catalyst performance
      $155.78 - $1,010.13
    • (0 reviews)
      # sp107600
      Exhaust Manifold with Integrated Catalytic Converter by Davico®. This product 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...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $157.57 - $696.80
    • (1 review)
      # sp10059
      Ultra™ 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....
      EPA & CARB Emissions Products Available for Most Vehicles5 Year / 50,000 Miles Warranty on Structural Components
      $50.55 - $112.65
    • (4 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...
      EPA & CARB Emissions Products Available for Most VehiclesEmission, Structural Warranty: 5 Years / 50,000 Miles (80,000 Kilometers)
      $50.55 - $205.48
    • (1 review)
      # sp94077
      Universal Fit Catalytic Converter by AP Exhaust®. Three-Way No / Air OBDII By Design US-EPA Compliant catalytic converters are efficient at the oxidation of HC’s and CO, and very efficient at the reduction of NOx, storing O2, and...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $48.83 - $360.70
    • (0 reviews)
      # mpn615929990
      Catalytic Converter Assembly by DEC®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Rear. Location: Undercar. With Front Muffler. Pick out a catalytic converter by DEC and get your emissions back into...
      Direct fitMade from a heavy duty stainless steel outer shell
      $292.74
    • (0 reviews)
      # mpn615929992
      Catalytic Converter Assembly by DEC®. Emissions: CARB compliant. Converter Configuration: Direct Fit. With Welded Headpipe Assembly. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to...
      Direct fitMade from a heavy duty stainless steel outer shell
      $292.74
    • (0 reviews)
      # mpn2263352860
      Catalytic Converter Assembly by DEC®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Rear. With Pipe Assembly. Pick out a catalytic converter by DEC and get your emissions back into check without worrying...
      Direct fitMade from a heavy duty stainless steel outer shell
      $198.49
    • (0 reviews)
      # sp6393
      Exhaust Gasket by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the 1950’s, brand...
      OE quality products from top original equipmentTop quality materials
      $2.05 - $48.00
    • (0 reviews)
      # sp103877
      Exhaust Clamp by Walker®. Material: Stainless Steel. 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...
      Makes installation quick and easyOptimal OE-style fit and quality
      $0.88 - $34.65
    • (0 reviews)
      # sp29850
      Clamps by AP Exhaust®. This superior product was carefully designed with key attention to detail and manufactured from high-grade materials to the strict standards of the highest quality. This AP Exhaust Technologies product...
      Made from first-rate materialsEnsures outstanding durability
      $0.88 - $0.98
    • (0 reviews)
      # sp5612
      Catalytic Converter Gasket by Victor Reinz®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      High quality at an affordable priceExpertly made from premium materials
      $1.73 - $42.77
    • (0 reviews)
      # mpn4482355937
      Catalytic Converter Gasket by Mahle®. Position: Rear. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      High quality at an affordable priceExpertly made from premium materials
      $5.14
    • (0 reviews)
      # mpn4482356493
      Catalytic Converter Gasket by Mahle®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $4.64
    • (27 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...
      Makes installation quick and easyOptimal OE-style fit and quality
      $1.17 - $19.69
    • (1 review)
      # sp93975
      Exhaust Gasket by AP Exhaust®. This superior product was carefully designed with key attention to detail and manufactured from high-grade materials to the strict standards of the highest quality. This AP Exhaust Technologies...
      Made from first-rate materialsEnsures outstanding durability
      $0.82 - $78.80
    • (0 reviews)
      # sp103550
      Exhaust Bolt by Bosal®. Bosal has a vast selection of all necessary accessories and hardware to help you make the exhaust system installation or repair job quickly and eaily. Choose Bosal, and you'll get OE-quality parts and...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $4.36 - $8.97
    • (0 reviews)
      # mpn2263352861
      Catalytic Converter Assembly by DEC®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Rear. With Pipe Assembly. Pick out a catalytic converter by DEC and get your emissions back into check without worrying...
      Direct fitMade from a heavy duty stainless steel outer shell
      $169.93
    • (0 reviews)
      # 286167897
      Universal Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. With 1 Inlet. Without Air Tube. With O2 Sensor Port. Catalytic...
      High precious metal load and high technology washcoat for premium performanceStainless steel body and aluminized body and pipe heat shields for durability
      $105.35 - $111.41
    • (0 reviews)
      # 286167923
      Universal Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Universal Fit. This part features the correct load of precious metals to ensure the proper limitation of tailpipe emissions. It meets the...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $58.64 - $116.82
    • (0 reviews)
      # 286167631
      Universal ECO GM Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. Catalytic Converter Overall Length: 16". Keep your exhaust emissions...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $74.54 - $78.81
    • (0 reviews)
      # 286167833
      Universal QuieCat™ Standard Resonated Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Ports. The new Eastern Catalytic...
      Baffled tube reduces sound levels by 35% without losing horsepowerHigh flow design retains maximum engine output and maximizes catalytic efficiency
      $50.70 - $53.39
    • (0 reviews)
      # 286167714
      Universal Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Keep your exhaust emissions within specifications and your vehicle running in...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $62.97 - $135.08
    • (0 reviews)
      # 286167775
      Universal Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Keep your exhaust emissions within specifications and your vehicle running in top...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $37.41 - $96.01
    • (0 reviews)
      # 286167836
      Universal Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Keep your exhaust emissions within specifications and your vehicle running in top...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $34.98 - $79.97
    • (0 reviews)
      # 504578921
      Universal 608 Series Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Without Air Tube. Three-Way No / Air OBDII By Design US-EPA Compliant catalytic converters are efficient at...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $63.09 - $169.43
    • (0 reviews)
      # 504706719
      Universal Enhanced Standard Duty Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. Three-Way No / Air OBDII By Design...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $49.54 - $102.90
    • (0 reviews)
      # mpn474117414
      Universal Heavy Duty Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Single Air Tube. With O2 Sensor Port. Catalytic Converter Overall...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $146.63
    • (0 reviews)
      # 504629737
      Universal High Flow Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Three-Way No / Air OBDII By...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $140.90 - $183.93
    • (0 reviews)
      # mpn474117777
      Universal Large Body Super X Duty Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. With O2 Sensor Port. Catalytic...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $128.72
    • (0 reviews)
      # 504580905
      Universal Medium Duty Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Three-Way No / Air OBDII By Design US-EPA Compliant catalytic...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $89.70 - $105.02
    • (0 reviews)
      # 504613706
      Universal Standard Duty Spun Body Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $41.48
    • (0 reviews)
      # 286167555
      Universal Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Without Air Tube. Three-Way No / Air OBDII By Design US-EPA Compliant catalytic converters are efficient at the oxidation of HC’s and CO, and...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $129.33 - $221.67
    • (0 reviews)
      # 286167901
      Universal Catalytic Converter by Bosal®. Converter Configuration: Universal Fit. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to vehicle manufacturers and...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $48.83 - $169.19
    • (1 review)
      # 286167639
      Universal Bullet Cat™ ECO II Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without O2 Sensor Ports. Whether your catalytic converter is...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $58.79 - $71.87
    • (1 review)
      # 286167645
      Universal Bullet Cat™ ECO III Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without O2 Sensor Ports. Whether your catalytic converter is...
      Direct OEM replacementDesigned with twice the amount of Rhodium to help keep the MIL off on vehicles with high mileage, low emissions, or higher than normal emissions
      $72.27 - $89.13
    • (0 reviews)
      # mpn1233537
      Universal ECO III Stuffed Tube Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With EndCap. Without O2 Sensor Ports. Catalytic Inlet...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $71.28
    • (0 reviews)
      # 286167831
      Universal QuieCat™ ECO II Resonated Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Catalytic Converter Overall Length: 18". The new Eastern...
      Baffled tube reduces sound levels by 35% without losing horsepowerHigh flow design retains maximum engine output and maximizes catalytic efficiency
      $75.66 - $78.60
    • (0 reviews)
      # 286167832
      Universal QuieCat™ ECO III Resonated Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Catalytic Converter Overall Length: 18". The new...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $93.83 - $97.48




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    The Suzuki 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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