2008 GMC Sierra Catalytic Converters

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    • Walker® Direct Fit Catalytic Converter
      (0 reviews)
      GMC Sierra 6.0L 2008, Direct Fit Catalytic Converter by Walker®. This catalytic converter is constructed specially for your vehicle to directly replace the original equipment part and comes ready to install. The part is designed to...
      Designed to meet your vehicle’s specific emissions requirementsDirect fit replacement
      $374.60from $299.68 - $462.32
      # 8743288
    • Walker® Universal Fit Catalytic Converter
      (0 reviews)
      GMC Sierra 2008, Universal Catalytic Converter by Walker®. This part features the correct load of precious metals to ensure the proper limitation of tailpipe emissions. It is designed to meet the EPA policy and emission reduction...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $119.16from $95.33 - $111.75
      # 17729649
    • Walker® Bolt Kit
      (0 reviews)
      GMC Sierra 2008, Bolt Kit 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...
      Makes installation quick and easyOptimal OE-style fit and quality
      $16.05$12.84
      # 35472571
    • Bosal® Catalytic Converter
      (0 reviews)
      GMC Sierra 0 / 3 / C / J / K / X / Y Engine VIN code Federal Emission Standard 2008, Catalytic Converter by Bosal®. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading...
      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
      $434.29$347.43
      # 36757633
    • Eastern® Direct Fit Catalytic Converter
      (0 reviews)
      GMC Sierra 2008, Direct Fit Undercar 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...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $447.28from $357.82 - $552.46
      # 38845690
    • Eastern® Universal Fit Catalytic Converter
      (0 reviews)
      GMC Sierra 4.3L / 4.8L / 5.3L / 6.0L without Air Tube 2008, Universal Fit Undercar Catalytic Converter by Eastern Catalytic®. 14" Overall Length. ECO III. 2.25" ID. 2.25" OD. Whether your catalytic converter is damaged by road...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $94.51$75.61
      # 17569146
    • Flowmaster® Direct Fit Stainless Steel Catalytic Converter
      (0 reviews)
      GMC Sierra 1500 2008, Direct Fit Stainless Steel Catalytic Converter by Flowmaster®, 2.5" Inlet / 3" Outlet. 40" Length. 30" Width. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal...
      $620.20$496.16
      # 34451175
    • MagnaFlow® Direct Fit California OBDII Catalytic Converter
      (0 reviews)
      GMC Sierra 2008, Direct Fit California OBDII Catalytic Converter by MagnaFlow®. If your car needs replacement, install one that will get you through the smog check and give you more horsepower. This converter will directly replace...
      Increases exhaust flow compared to original factory converterIncreased exhaust flow allows your engine to make more power
      $1,726.16from $1,380.93 - $1,514.91
      # 57826000
    • MagnaFlow® Direct Fit Federal OEM Grade Catalytic Converter
      (0 reviews)
      GMC Sierra 2008, Direct Fit Federal OEM Grade Catalytic Converter by MagnaFlow®. If your car needs replacement, install one that will get you through the smog check and give you more horsepower. This converter will directly replace...
      Increases exhaust flow compared to original factory converterIncreased exhaust flow allows your engine to make more power
      $848.48from $678.78 - $841.48
      # 22206831
    • Weapon-R® CEL Eliminator
      (4 reviews)
      Universal CEL Eliminator by Weapon-R®. CEL Light Eliminator gets rid of the Check Engine Light and will not effect the performance of your vehicle. We carefully test and research the correct amount air / fuel ratio which is needed...
      $56.25$45.00
      # 290727
    • Spectre Performance® Exhaust Header Reducer
      (1 reviews)
      Universal Exhaust Header Reducer by Spectre Performance®. Rooted in racing, Spectre Performance designs and builds every product with the same goal in mind - the best performance in the market proven on the racetrack! All products...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $20.88$16.70
      # 12056627

    2008 GMC Sierra Models
    • 2008 GMC Sierra 1500 SL Catalytic Converters & Components
    • 2008 GMC Sierra 1500 SLE Catalytic Converters & Components
    • 2008 GMC Sierra 1500 SLT Catalytic Converters & Components
    • 2008 GMC Sierra 1500 WT Catalytic Converters & Components
    • 2008 GMC Sierra 2500 HD SLE Catalytic Converters & Components
    • 2008 GMC Sierra 2500 HD SLT Catalytic Converters & Components
    • 2008 GMC Sierra 2500 HD WT Catalytic Converters & Components
    • 2008 GMC Sierra 3500 HD SLE Catalytic Converters & Components
    • 2008 GMC Sierra 3500 HD SLT Catalytic Converters & Components
    • 2008 GMC Sierra 3500 HD WT Catalytic Converters & Components