DEC Catalytic Converters

DEC
  • DEC® - Exhaust Manifold with Integrated Catalytic Converter
    DEC®Exhaust Manifold with Integrated Catalytic Converter
    1
    # sp9246
    Exhaust Manifold with Integrated Catalytic Converter by DEC®. Pick out an Exhaust Manifold with Integrated Catalytic Converter by DEC and get your emissions back into check without worrying about feature again. The Integrated Catalytic...
    Direct fitDesigned for everlasting durability
    $328.05 - $2,803.88
  • DEC® - Exhaust Flex and Pipe Assembly
    DEC®Exhaust Flex and Pipe Assembly
    0
    # sp132517
    Exhaust Flex and Pipe Assembly 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...
    Helps to funnel poisonous fumes away from a vehicleEngineered to provide excellent performance
    $67.14
  • DEC® - Catalytic Converter
    DEC®Catalytic Converter
    2
    # sp207076
    Catalytic Converter by DEC®. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature again. These catalytic converters are made from a heavy duty stainless steel outer shell which is...
    Direct fitMade from a heavy duty stainless steel outer shell
    $230.72 - $1,821.63
  • DEC® - Catalytic Converter and Pipe Assembly
    DEC®Catalytic Converter and Pipe Assembly
    5
    # sp128140
    Catalytic Converter and Pipe Assembly by DEC®. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature again. These catalytic converters are made from a heavy duty stainless steel...
    Direct fitMade from a heavy duty stainless steel outer shell
    $233.09 - $3,549.35
  • DEC® - Exhaust Flex and Pipe Assembly
    DEC®Exhaust Flex and Pipe Assembly (SA2945)
    0
    # mpn615930003
    Exhaust Flex and Pipe Assembly by DEC®. Location: Catalytic Converter to Intermediate Pipe. Without Catalytic Converter. Durably built and precisely formed, DEC exhaust pipes deliver a proper fit and excellent exhaust system...
    Helps to funnel poisonous fumes away from a vehicleEngineered to provide excellent performance
    $67.14
  • DEC® - Direct Fit Catalytic Converter
    DEC®Direct Fit Catalytic Converter (GM22570F)
    1
    # mpn4794807368
    Catalytic Converter (GM22570F) 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 about feature again. These catalytic...
    $277.13
  • DEC® - Direct Fit Catalytic Converter
    DEC®Direct Fit Catalytic Converter (GM20218R)
    1
    # mpn4658591257
    Catalytic Converter (GM20218R) by DEC®. Converter Configuration: Direct Fit. Position: Rear. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature again. These catalytic converters...
    $323.54
  • DEC® - Direct Fit Catalytic Converter
    DEC®Direct Fit Catalytic Converter (KIA4020)
    1
    # mpn4646021962
    Catalytic Converter (KIA4020) by DEC®. Converter Configuration: Direct Fit. Position: Rear. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature again. These catalytic converters...
    $254.59
  • DEC® - Direct Fit Catalytic Converter
    DEC®Direct Fit Catalytic Converter (GM22570R)
    1
    # mpn2263350397
    Catalytic Converter (GM22570R) by DEC®. Converter Configuration: Direct Fit. Position: Front Passenger Side. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature again. These...
    $285.09
  • DEC® - Direct Fit Catalytic Converter
    DEC®Direct Fit Catalytic Converter (NIS2555F)
    1
    # mpn619997817
    Catalytic Converter (NIS2555F) 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 about feature again. These catalytic...
    $330.17
  • DEC® - Direct Fit Catalytic Converter
    DEC®Direct Fit Catalytic Converter (NIS2555R)
    1
    # mpn619997816
    Catalytic Converter (NIS2555R) by DEC®. Converter Configuration: Direct Fit. Position: Front Passenger Side. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature again. These...
    $314.26
  • DEC® - Direct Fit Catalytic Converter and Pipe Assembly
    DEC®Direct Fit Catalytic Converter and Pipe Assembly (VW3474R)
    3
    # mpn4794807949
    Catalytic Converter and Pipe Assembly (VW3474R) by DEC®. Converter Configuration: Direct Fit. Position: Front Passenger Side. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature...
    $338.13
  • DEC® - Direct Fit Catalytic Converter and Pipe Assembly
    DEC®Direct Fit Catalytic Converter and Pipe Assembly (CR20934D)
    3
    # mpn4794807739
    Catalytic Converter and Pipe Assembly (CR20934D) by DEC®. Converter Configuration: Direct Fit. Position: Driver Side. With O2 Sensor Port. Pick out a catalytic converter by DEC and get your emissions back into check without worrying...
    $433.43
  • DEC® - Direct Fit Catalytic Converter and Pipe Assembly
    DEC®Direct Fit Catalytic Converter and Pipe Assembly (GM20382)
    3
    # mpn4794807495
    Catalytic Converter and Pipe Assembly by DEC®. Converter Configuration: Direct Fit. With Y-Pipe. Y-Pipe with 2 Converters. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature...
    $582.11
  • DEC® - Direct Fit Catalytic Converter and Pipe Assembly
    DEC®Direct Fit Catalytic Converter and Pipe Assembly (NIS2560D)
    3
    # mpn4732786160
    Catalytic Converter and Pipe Assembly (NIS2560D) by DEC®. Converter Configuration: Direct Fit. Position: Driver Side. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature again....
    $721.40
  • DEC® - Direct Fit Catalytic Converter and Pipe Assembly
    DEC®Direct Fit Catalytic Converter and Pipe Assembly (GM20208)
    3
    # mpn4732786087
    Catalytic Converter and Pipe Assembly (GM20208) 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 about feature again....
    $539.75
  • DEC® - Direct Fit Catalytic Converter and Pipe Assembly
    DEC®Direct Fit Catalytic Converter and Pipe Assembly (GM20355)
    3
    # mpn4732785910
    Catalytic Converter and Pipe Assembly (GM20355) by DEC®. Converter Configuration: Direct Fit. Position: Rear. With Y-Pipe. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature...
    $552.94
  • DEC® - Direct Fit Catalytic Converter and Pipe Assembly
    DEC®Direct Fit Catalytic Converter and Pipe Assembly (CR20934P)
    3
    # mpn4732785815
    Catalytic Converter and Pipe Assembly (CR20934P) by DEC®. Converter Configuration: Direct Fit. Position: Passenger Side. With O2 Sensor Port. Pick out a catalytic converter by DEC and get your emissions back into check without worrying...
    $490.67
  • DEC® - Direct Fit Catalytic Converter and Pipe Assembly
    DEC®Direct Fit Catalytic Converter and Pipe Assembly (CR22233)
    3
    # mpn4713561665
    Catalytic Converter and Pipe Assembly (CR22233) by DEC®. Converter Configuration: Direct Fit. With Y-Pipe. Y-Pipe with 2 Converters. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about...
    $525.10
  • DEC® - Direct Fit Catalytic Converter and Pipe Assembly
    DEC®Direct Fit Catalytic Converter and Pipe Assembly (FOR20395)
    3
    # mpn4713561441
    Catalytic Converter and Pipe Assembly (FOR20395) by DEC®. Converter Configuration: Direct Fit. With Y-Pipe. Y-Pipe with 2 Converters. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about...
    $562.22
  • DEC® - Direct Fit Catalytic Converter and Pipe Assembly
    DEC®Direct Fit Catalytic Converter and Pipe Assembly (SUB3056)
    3
    # mpn4674319047
    Catalytic Converter and Pipe Assembly (SUB3056) by DEC®. Converter Configuration: Direct Fit. Position: Front. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature again. These...
    $420.34
  • DEC® - Direct Fit Catalytic Converter and Pipe Assembly
    DEC®Direct Fit Catalytic Converter and Pipe Assembly (CR21004P)
    3
    # mpn4658591251
    Catalytic Converter and Pipe Assembly (CR21004P) 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 about feature again....
    $436.25
  • DEC® - Direct Fit Catalytic Converter and Pipe Assembly
    DEC®Direct Fit Catalytic Converter and Pipe Assembly (NIS2560P)
    3
    # mpn4636995729
    Catalytic Converter and Pipe Assembly (NIS2560P) 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 about feature again....
    $456.14
  • DEC® - Direct Fit Catalytic Converter and Pipe Assembly
    DEC®Direct Fit Catalytic Converter and Pipe Assembly (CR20947)
    3
    # mpn2263352700
    Catalytic Converter and Pipe Assembly (CR20947) by DEC®. Converter Configuration: Direct Fit. With Y-Pipe. Y-Pipe with 2 Converters. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about...
    $643.11
  • DEC® - Standard Direct Fit Catalytic Converter
    DEC®Standard Direct Fit Catalytic Converter (JAG1952D)
    1
    # mpn4794809159
    Standard Catalytic Converter (JAG1952D) by DEC®. Converter Configuration: Direct Fit. Position: Driver Side. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature again. These...
    $343.43
  • DEC® - Standard Direct Fit Catalytic Converter
    DEC®Standard Direct Fit Catalytic Converter (CR20787)
    1
    # mpn4794808986
    Standard 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 about feature again. These catalytic...
    $230.72
  • DEC® - Standard Direct Fit Catalytic Converter
    DEC®Standard Direct Fit Catalytic Converter (CR22054)
    1
    # mpn4794808932
    Standard Catalytic Converter by DEC®. Converter Configuration: Direct Fit. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature again. These catalytic converters are made from a...
    $318.24
  • DEC® - Standard Direct Fit Catalytic Converter
    DEC®Standard Direct Fit Catalytic Converter (JAG1953F)
    1
    # mpn619996605
    Standard Catalytic Converter (JAG1953F) 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 about feature again. These...
    $500.60
  • DEC® - Standard Direct Fit Catalytic Converter
    DEC®Standard Direct Fit Catalytic Converter (JAG1953R)
    1
    # mpn619996604
    Standard Catalytic Converter (JAG1953R) by DEC®. Converter Configuration: Direct Fit. Position: Front Passenger Side. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature again....
    $350.06
  • DEC® - Standard Direct Fit Catalytic Converter
    DEC®Standard Direct Fit Catalytic Converter (KIA4027)
    1
    # mpn615929863
    Standard Catalytic Converter (KIA4027) 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 about feature again. These...
    $298.35




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

23 reviews
4 of 5
Fit
Part meet California standards, but I don't know if was mishandled by the transport carrier, when I trying to install it the left tip towards the header didn't fit by almost one inch, so it cost me a 100.00 at a muffler shop have them to correct the pipe and make fit.
Posted by Customer / June 19, 20211994 Ford Mustang
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