Exhaust Manifold Kit
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Exhaust Manifold Kit Exhaust Manifold Kit
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Dorman - OE Solutions Exhaust Manifold Kit

Part No. 674-503 Warranty Details  

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More like a complete kit than a single part, many of our Exhaust Manifolds include gaskets and hardware for a complete installation. This part is a direct replacement.

Product Features:
  • Heat-shield may be included for protection of engine components where applicable
  • Cast iron or stainless tubular construction protects against warping or cracking
  • Leak-resistant for long-lasting performance
  • A rigorous quality inspection has been undertaken to ensure product standards
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Bolt Hole Quantity:6
Engine Manufacturer:GM
Finish:Stainless Steel
Gasket Or Seal Included:Yes
Hardware Included:Yes
Material:Stainless Steel


by PowerReviews
Dorman - OE SolutionsExhaust Manifold Kit

(based on 1 review)

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Reviewed by 1 customer

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great OEM replica at a great price


from Kansas City, Kansas

About Me Auto Enthusiast

Verified Buyer


  • Easy To Install


    Best Uses

    • Restoration

    Comments about Dorman - OE Solutions Exhaust Manifold Kit:

    I am restoring a 1963 Impala SS....327 4 speed...these manifolds will increase horsepower and give me the look I am looking for without spending $400!

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    1 Question | 1 Answer
    Displaying question 1
    • Q:

      Does this have the choke tube holes and is it a 2.5" exhaust outlet?
      Asked on 11/16/2014 by 65 hipo from MD

      1 answer



        I'm glad to be of assistance! Yes, it does have the choke tube holes and has a 2.5 inch exhaust outlet.

        Answered on 11/18/2014 by Solomon
    Displaying question 1

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