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Magnaflow

MagnaFlow Conv Direct Fit 11-16 Chevrolet Silverado 2500HD/3500HD / GMC Sierra 2500HD/3500HD - 21-252

MagnaFlow Conv Direct Fit 11-16 Chevrolet Silverado 2500HD/3500HD / GMC Sierra 2500HD/3500HD - 21-252

Regular price $1,130.00 USD
Regular price Sale price $1,130.00 USD
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MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-252 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed to fit the 2011-2016 Chevrolet Silverado 2500 HD, 2011-2016 GMC Sierra 2500 HD, and additional vehicles. Hardware is included to eliminate the hassle of working with corroded factory parts. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

Direct Fit Catalytic Converter; OEM Grade Series; 3.5in Tubing; 3in Inlet/Outlet; 2 Converters; Overall L-62.75in.; O2 Sensor Location Pre/Post Converter; Not Air Tube Adaptable;


EPA Status: Compliant

Vehicle Fitment

  • 2011 GMC Sierra 3500 HD
  • 2011 GMC Sierra 2500 HD
  • 2011 Chevrolet Silverado 3500 HD
  • 2011 Chevrolet Silverado 2500 HD
  • 2013 GMC Sierra 3500 HD
  • 2013 GMC Sierra 2500 HD
  • 2013 Chevrolet Silverado 3500 HD
  • 2013 Chevrolet Silverado 2500 HD
  • 2012 GMC Sierra 3500 HD
  • 2012 GMC Sierra 2500 HD
  • 2012 Chevrolet Silverado 3500 HD
  • 2012 Chevrolet Silverado 2500 HD
  • 2014 GMC Sierra 3500 HD
  • 2014 GMC Sierra 2500 HD
  • 2014 Chevrolet Silverado 3500 HD
  • 2014 Chevrolet Silverado 2500 HD
  • 2015 Chevrolet Silverado 2500 HD
  • 2015 Chevrolet Silverado 3500 HD
  • 2015 GMC Sierra 2500 HD
  • 2015 GMC Sierra 3500 HD
  • 2016 Chevrolet Silverado 3500 HD
  • 2016 GMC Sierra 3500 HD
  • 2016 Chevrolet Silverado 2500 HD
  • 2016 GMC Sierra 2500 HD
  • 2017 Chevrolet Suburban 3500 HD
  • 2017 GMC Sierra 2500 HD
  • 2017 GMC Sierra 3500 HD
  • 2017 Chevrolet Silverado 2500 HD
  • 2017 Chevrolet Silverado 3500 HD
  • 2018 GMC Sierra 3500 HD
  • 2018 Chevrolet Silverado 3500 HD
  • 2018 Chevrolet Suburban 3500 HD
  • 2018 GMC Sierra 2500 HD
  • 2018 Chevrolet Silverado 2500 HD
  • 2019 Chevrolet Silverado 2500 HD
  • 2019 Chevrolet Silverado 3500 HD
  • 2019 GMC Sierra 2500 HD
  • 2019 GMC Sierra 3500 HD
  • 2019 Chevrolet Suburban 3500 HD

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Guaranteed Quality

St. Paul Speed & Performance hand selects the brands we offer based on decades of experience in domestic automotive performance and modification. If you ever experience a problem with your order, our representatives are well equipped to help ensure your purchase brings satisfaction.

  • Best Available Price

    St. Paul Speed & Performance's distribution partners work to provide us with the best possible price for the products we sell. We pass that on to you, the customer. If you find a product you are interested in at a lower price elsewhere, please let us know and we will match that price if we can.

  • Returns

    We accept unopened items free of charge, excluding shipping fees.
    Unfortunately, during this time, we can not process opened items that
    would typically have a restocking fee.