DEC Exhaust Parts

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    • (5 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 which...
      Direct fitMade from a heavy duty stainless steel outer shell
      $138.52 - $835.38
    • (1 review)
      # 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 stainless...
      Direct fitMade from a heavy duty stainless steel outer shell
      $227.05 - $1,126.69
    • (1 review)
      # sp9260
      Exhaust Y Pipe by DEC®. Durably built and precisely formed, DEC exhaust pipes deliver a proper fit and excellent exhaust system performance. They help to funnel poisonous and toxic fumes generated by the engine away from a vehicle....
      Helps to funnel poisonous fumes away from a vehicleEngineered to provide excellent performance
      $100.37 - $235.62
    • (8 reviews)
      # sp128140
      Catalytic Converter and Pipe Assembly 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...
      Direct fitMade from a heavy duty stainless steel outer shell
      $84.25 - $1,297.32
    • (1 review)
      # sp132518
      Exhaust Intermediate Pipe by DEC®. Durably built and precisely formed, DEC exhaust pipes deliver a proper fit and excellent exhaust system performance. They help to funnel poisonous and toxic fumes generated by the engine away from a...
      Helps to funnel poisonous fumes away from a vehicleEngineered to provide excellent performance
      $77.75 - $84.25
    • (0 reviews)
      # sp128141
      Exhaust Tail Pipe by DEC®. Durably built and precisely formed, DEC exhaust pipes deliver a proper fit and excellent exhaust system performance. They help to funnel poisonous and toxic fumes generated by the engine away from a vehicle....
      Helps to funnel poisonous fumes away from a vehicleEngineered to provide excellent performance
      $74.52 - $94.98
    • (0 reviews)
      # mpn615930010
      Exhaust Header Pipe with Flex by DEC®. Position: Front. With Flex. Without Catalytic Converter. Durably built and precisely formed, DEC exhaust pipes deliver a proper fit and excellent exhaust system performance. They help to funnel...
      Helps to funnel poisonous fumes away from a vehicleEngineered to provide excellent performance
      $112.81
    • (0 reviews)
      # mpn2263351767
      Exhaust Header Pipe with Flex by DEC®. With Flex. Without Catalytic Converter. Durably built and precisely formed, DEC exhaust pipes deliver a proper fit and excellent exhaust system performance. They help to funnel poisonous and toxic...
      Helps to funnel poisonous fumes away from a vehicleEngineered to provide excellent performance
      $179.93
    • (0 reviews)
      # mpn2263352812
      Exhaust Header Pipe by DEC®. Position: Driver Side. Without Catalytic Converter. Durably built and precisely formed, DEC exhaust pipes deliver a proper fit and excellent exhaust system performance. They help to funnel poisonous and...
      Helps to funnel poisonous fumes away from a vehicleEngineered to provide excellent performance
      $112.81
    • (0 reviews)
      # mpn615930041
      Exhaust Header Pipe by DEC®. Without Catalytic Converter. Durably built and precisely formed, DEC exhaust pipes deliver a proper fit and excellent exhaust system performance. They help to funnel poisonous and toxic fumes generated by...
      Helps to funnel poisonous fumes away from a vehicleEngineered to provide excellent performance
      $121.38
    • (0 reviews)
      # mpn4551856825
      Exhaust Flex Pipe by DEC®. Location: Manifold Converter to Rear Converter. Durably built and precisely formed, DEC exhaust pipes deliver a proper fit and excellent exhaust system performance. They help to funnel poisonous and toxic...
      Helps to funnel poisonous fumes away from a vehicleEngineered to provide excellent performance
      $92.82
    • (0 reviews)
      # mpn619998814
      Exhaust Header Pipe by DEC®. Position: Rear. Without Catalytic Converter. Durably built and precisely formed, DEC exhaust pipes deliver a proper fit and excellent exhaust system performance. They help to funnel poisonous and toxic fumes...
      Helps to funnel poisonous fumes away from a vehicleEngineered to provide excellent performance
      $127.09
    • (0 reviews)
      # mpn953038
      Catalytic Converter by DEC®. Converter Configuration: Direct Fit. Position: Front. 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...
      Direct fitMade from a heavy duty stainless steel outer shell
      $287.61
    • (0 reviews)
      # mpn953060
      Catalytic Converter by DEC®. Converter Configuration: Direct Fit. Position: Front. 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...
      Direct fitMade from a heavy duty stainless steel outer shell
      $322.92
    • (0 reviews)
      # mpn4562081187
      Catalytic Converter by DEC®. Converter Configuration: Direct Fit. Position: Front. 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...
      Direct fitMade from a heavy duty stainless steel outer shell
      $375.70
    • (0 reviews)
      # mpn221362171
      Catalytic Converter by DEC®. Converter Configuration: Direct Fit. Catalytic Converter Overall Length: 30". Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic...
      Direct fitMade from a heavy duty stainless steel outer shell
      $389.40
    • (0 reviews)
      # mpn221362041
      Catalytic Converter by DEC®. Converter Configuration: Direct Fit. Position: Front Driver Side. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are...
      Direct fitMade from a heavy duty stainless steel outer shell
      $544.35
    • (0 reviews)
      # mpn950710
      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 stainless...
      Direct fitMade from a heavy duty stainless steel outer shell
      $573.29
    • (0 reviews)
      # mpn2511628178
      Catalytic Converter by DEC®. Converter Configuration: Direct Fit. Position: Passenger Side. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are made...
      Direct fitMade from a heavy duty stainless steel outer shell
      $437.24
    • (0 reviews)
      # mpn4562183110
      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 stainless...
      Direct fitMade from a heavy duty stainless steel outer shell
      $379.12
    • (0 reviews)
      # mpn948429
      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 stainless...
      Direct fitMade from a heavy duty stainless steel outer shell
      $510.68
    • (0 reviews)
      # mpn955878
      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 stainless...
      Direct fitMade from a heavy duty stainless steel outer shell
      $561.02
    • (0 reviews)
      # mpn4479642390
      Catalytic Converter by DEC®. Converter Configuration: Direct Fit. Position: Passenger Side. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are made...
      Direct fitMade from a heavy duty stainless steel outer shell
      $659.80
    • (0 reviews)
      # mpn949109
      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 stainless...
      Direct fitMade from a heavy duty stainless steel outer shell
      $679.93
    • (0 reviews)
      # mpn221361725
      Front Exhaust Manifold with Integrated Catalytic Converter by DEC®. Location: Front. CARB Compliant: No. Converter Configuration: Direct Fit. 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
      $583.68
    • (0 reviews)
      # mpn221361725
      Exhaust Manifold with Integrated Catalytic Converter by DEC®. Position: Front. 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...
      Direct fitMade from a heavy duty stainless steel outer shell
      $583.68
    • (0 reviews)
      # mpn2511612652
      Catalytic Converter by DEC®. Converter Configuration: Direct Fit. 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
      $505.10
    • (0 reviews)
      # mpn221362200
      Front Exhaust Manifold with Integrated Catalytic Converter by DEC®. Location: Front. CARB Compliant: Yes. Converter Configuration: Direct Fit. 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
      $1,148.10
    • (0 reviews)
      # mpn947592
      Front Exhaust Manifold with Integrated Catalytic Converter by DEC®. Location: Front. CARB Compliant: No. Converter Configuration: Direct Fit. 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
      $554.32
    • (0 reviews)
      # mpn221361718
      Exhaust Manifold with Integrated Catalytic Converter by DEC®. Position: Front. 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...
      Direct fitMade from a heavy duty stainless steel outer shell
      $455.13




    For over twenty-six years DEC has been manufacturing a wide assortment of replacement catalytic converters which perform efficiently and correctly. The company also offers premium DEC headers, tailpipes, exhaust pipes, and more. All products by DEC are assembled in dedicated Steel Jigs utilizing heavily loaded substrates, heavy duty tubing, silent flex tubes, etc. DEC's unique concept of Steel Jigs for every model insures repeatability and perfect fit.

    The DEC catalytic converter features high quality and provide unparalleled performance. The company offers replacement catalytic converters for various applications, including domestic ones. Domestic vehicles are not foreign to the company. DEC's specialty OBDII domestic catalytic converters are the parts that fit and perform up to the mark, and the company's long lasting warranty insures that a customer gets a cost efficient long term solution.

    The company has been the innovator of many things. It was the first to design direct fit catalytic converters. Carrying on a tradition of being first, the company is the first and only to feature a Cross-Marketing agreement approved by C.A.R.B. DEC presents the most comprehensive line of C.A.R.B. exempt, direct fit converters in the industry. These catalytic converters mimic the OEM part and ensure no welding involved in the installation process, just an easy bolt-on application. When utilizing a universal converter, you can't be sure that it will fit your specific vehicle precisely.

    Knowing what car, truck or SUV a part is being installed, DEC is the only company in the industry that provides TSB's and Tech Notes which you can use for your personal vehicle. Having years of manifold mount and close coupled experience, DEC is also considered to be a manifold converter specialist. Because of the location of the manifold converters, they require additional engineering to provide accuracy and longevity. The products of the company have been and are specifically designed and manufactured to comply to all specifications as they relate to emission performance requirements prescribed by the CARB and the EPA.

    DEC Reviews

    Average rating:    4.5 - 18 reviews  /  Read All DEC Reviews
    5 of 5
    Very Good Product
    This is a good product. The fit was dead on. Came earlier that expected. No problems at all.
    Posted by Rachel (West Sacramento, CA) / November 3, 20182006 Ford F-250
    Was this review helpful for you? Yes
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