DEC Manufactures a complete line of replacement catalytic converters. We offer thousands of unique models for a direct fit, no problem installation. We are constantly expanding our model lineup and adding new units weekly. Our superior coverage assures you of a one call solution with no surprises.

Professional Services

  • Direct Fit Applications
  • The Right Part the 1st Time
  • Knowledgeable Customer Service Staff

News and events

DEC has you covered from applications to geography. If you are in North America we have a legal direct fit converter for you.


Wondering why we had to make the Change? June 1, 2013, New York adopted the same emission regulations that California has been following from the beginning of the 21’st century. For more information please see the New York information page http://www.dec.ny.gov/chemical/87411.html
DEC is pleased to be the first to offer a full catalog to all of North America. Please click on your location to view your catalog.


Catalog Lookup

New and improved Catalog Look-up. Easier to find what you need…

Our Catalog is currently being updated, please call customer service at 1-800-332-4431 or 818-994-1908 for part availability

Thank you,

DEC Customer Service


CLICK HERE to download Tech Tri-Fold

Manifold Converters

DEC is a Manifold Converter Specialist with years of Close Coupled & Manifold Mount Experience. Due to their location, Manifold Converters require additional engineering for accuracy and longevity.

New Domestic Applications

Our same DEC Import quality for our domestic aftermarket customers. Domestic Vehicles are not foreign to us. Our specialty OBDII domestic catalytic converters assure you of a part that will fit and perform, and our long-term warranty assures the retail consumer of a proper and cost-effective long-term solution.

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