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    • (48 reviews)
      # sp839
      Direct Fit Catalytic Converter by MagnaFlow®. If your cat needs replacement, install one that will get you through the smog check. The Direct Fit Catalytic Converter is available in Pre-OBD II, OBD II, and OEM Grade OBD II configurations.
      $79.39 - $1,748.68
    • (19 reviews)
      # sp95451
      Catalytic Converter by Flowmaster®. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal environmental regulations and, as all Flowmaster products, to deliver the best possible performance. The...
      $102.70 - $1,101.06
    • (0 reviews)
      # sp96180
      Direct Fit Diesel Particulate Filter by MagnaFlow®. If your car needs replacement, install one that will get you through the smog check. This Particulate will directly replace the factory unit, with little or no fabrication required.
      $881.94 - $2,413.12
    • (4 reviews)
      # sp96188
      Universal Fit Catalytic Converter by MagnaFlow®. If your car needs replacement, install one that will get you through the smog check. This universal fit converter will require some fabrication to be installed, which will involve cutting...
      $69.27 - $466.66
    • (10 reviews)
      # sp114642
      Direct Fit OEM Grade Catalytic Converter by Magnaflow®. If your car needs replacement, install one that will get you through the smog check. This converter is part of the exhaust header/manifold assembly, and it will directly replace...
      $148.97 - $3,460.20
    • (0 reviews)
      # sp28789
      SuperMAXX™ Catted Mid Pipes by Dynatech®. SuperMAXX™ Stainless Intermediate Section is an excellent way to complete your exhaust System on your Truck or SUV engine. This system is all about increased power with a full race, straight...
      T304 Stainless Steel ConstructionHardware Included
      $199.99 - $919.99
    • (0 reviews)
      # sp48891
      Catalytic Converter Gasket by JBA®. JBA is proud to offer accessories to aid in the fitment of your JBA exhaust product. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
      JBA's premium header flange gaskets are made extra thick from a specially made formulated gasket materialTheir gaskets are rated up to 1100 F
      $9.79 - $13.84
    • (0 reviews)
      # 636644963
      Universal SheetHot™ TF-400 Thermal Insulation Sheet by DCI®. Four Layer Dimpled Aluminum, 0.130" Thick. 1 Piece. TF-400 is a 4 layer dimpled aluminium material. It is the most formable product of the SheetHot TF range. Suitable for...
      Made to ensure the highest level of qualityVersatile and extremely easy to install
      $30.94 - $61.88
    • (0 reviews)
      # 772521380
      High-Flow Metal Matrix Catalytic Converter by Stainless Works®. Emissions: EPA compliant. Converter Configuration: Universal Fit. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum...
      $204.25 - $223.25
    • (0 reviews)
      # 772682915
      GESI® Catalytic Converter by Vibrant Performance®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Vibrant Performance and Global Emissions Systems Inc. (GESi®) have teamed up to supply a series of OBD2 (1996 and...
      $337.95 - $459.95
    • (0 reviews)
      # 772693910
      High Output Catalytic Converter by Vibrant Performance®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Catalytic Converter Overall Length: 8". Vibrant Performance Catalytic...
      $112.95
    • (0 reviews)
      # 772603909
      Hi-Flow OBDII Bullet Style Catalytic Converter by PaceSetter®. Emissions: EPA compliant. Converter Configuration: Universal Fit. If you want to get the most out of your vehicle, this PaceSetter product is second to none. Engineered with...
      $132.15
    • (0 reviews)
      # 772568909
      Green Ultra High Catalytic Converter by Kooks®. Emissions: EPA compliant. Converter Configuration: Universal Fit. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...
      $368.43 - $395.81
    • (0 reviews)
      # 772606913
      Race High Flow Catalytic Converter by Kooks®. Emissions: EPA compliant. Converter Configuration: Universal Fit. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...
      $142.69 - $148.53
    • (0 reviews)
      # 772544384
      Spun Formed Catalytic Converter by Thunderbolt®. Emissions: EPA compliant. Converter Configuration: Universal Fit. These superior quality products are carefully engineered to improve exhaust flow and boost power of your vehicle. These...
      $48.42 - $82.44
    • (0 reviews)
      # 772632910
      The Spun Solution Catalytic Converter by Thunderbolt®. Emissions: EPA compliant. Converter Configuration: Universal Fit. These superior quality products are carefully engineered to improve exhaust flow and boost power of your vehicle....
      $73.86 - $135.74
    • (2 reviews)
      # 772723908
      Catalytic Converter by Thunderbolt®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. These superior quality products are carefully engineered to improve exhaust flow and boost...
      $40.48 - $82.61
    • (0 reviews)
      # 772558381
      Truck Diesel Catalytic Converter by Thunderbolt®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Overall Length: 12". This Catalytic Converter by CanAmMex Thunderbolt is an ideal California...
      $198.75
    • (0 reviews)
      # 772572940
      Diesel Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. If your car needs replacement, install one that...
      $307.05 - $332.39
    • (0 reviews)
      # 772718908
      Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check. This universal fit...
      $100.54 - $183.81
    • (0 reviews)
      # 772543379
      OEM Grade Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check. This universal fit...
      $112.79 - $263.58
    • (0 reviews)
      # 1083632742
      Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Without Air Tube. Without O2 Sensor Port. If your car needs replacement, install one that will get you through the smog...
      $184.75 - $192.74
    • (0 reviews)
      # 772627908
      Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. If your car needs replacement, install one that will get you through the smog check. This universal fit converter will require...
      $69.27 - $222.84
    • (0 reviews)
      # 772618909
      Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. If your car needs replacement, install one that will get you through the smog check. This universal fit converter will require some fabrication to be installed,...
      $105.42 - $399.87
    • (7 reviews)
      # 772701908
      200 Series OBDII Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length:...
      $85.97
    • (7 reviews)
      # 772605909
      220 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Air Tube. Without O2 Sensor Port. The new Flowmaster replacement catalytic...
      $68.56
    • (7 reviews)
      # 772605907
      222 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. The new Flowmaster replacement catalytic...
      $66.82 - $67.53
    • (7 reviews)
      # 772650910
      223 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. The new Flowmaster replacement catalytic...
      $73.86
    • (7 reviews)
      # 772574907
      225 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. The new Flowmaster replacement catalytic...
      $71.98 - $76.97
    • (7 reviews)
      # mpn886216
      240 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic...
      $141.53




    Admired by truckers both in and beyond the U.S., the GMC Sierra is a pickup truck that blends exceptional performance and striking good looks. The standard version of the vehicle comes with an advanced six-speed automatic transmission that offers admirable fuel economy; an optional eight-speed one is even more efficient. The model’s total sales exceed 3.5 million; the truck has versions intended for heavy-duty commercial use. The GMC Sierra, much like any vehicle nowadays, is equipped with a catalytic converter. This advanced piece of equipment protects the environment by converting highly toxic pollutants into water, carbon dioxide, and nitrogen. Mandatory in the U.S. since 1975, catalytic converters, nonetheless, have a major drawback: their use has a negative effect on the vehicle’s performance and fuel efficiency.

    Performance catalytic converters combine green technologies with advanced design and high-quality materials: they reduce the loss of horsepower to the minimum, effectively helping you enjoy the full might of your truck. Our store cooperates with such famed aftermarket companies as Eastern Catalytic, Kooks Headers & Exhaust, Stainless Works, Vibrant Performance and Cardone; the GMC Sierra performance catalytic converters they manufacture are reliable, durable, and eco-friendly.

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