Skip to Main Content Skip to Footer Links
Error occured! Please reload the page and try again
Choose a Store
Open till 
There are vehicles in your garage

Free shipping on orders over $25.

Enroll in Speed Perks for more savings.


Cart is empty!


Add Something to the cart

includes estimated shipping



Vehicle added

Vehicles

Find parts for the selected vehicle:

View Vehicles
Are you sure you want to delete this vehicle?

    Add a


    Add a


    Doug's Headers D3373 1 5/8" 4-Tube Manifold Replacement Header Chevrolet Truck 5.3L 02-07 Coated

    Loading ...
    Warranty Information
    • Product Details

      Part No. D3373

      Warranty Details (1 YR REPLACEMENT IF DEFECTIVE)

      Doug's 2/4 WD Truck Headers Long Tube Metallic Ceramic CoatedHeader development and design is complex and requires a substantial amount of time and resources to do the job right! Many manufacturers are unwilling to make the commitment and instead offer c

      Product Features:

      • Doug's Headers D3373 1 5/8" 4-Tube Manifold Replacement Header Chevrolet Truck 5.3L 02-07 Coated
      • 3/8" thick flanges... no warping

    • Read Review
    • Q & A