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Doug's Headers D3399Y-2R

Uncoated Headers 1986-91 Chevy/GMC Truck/SUV 2WD 396-502

Doug's Headers D3399Y-2R


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Doug's Headers D3399Y-2R Uncoated Headers 1986-91 Chevy/GMC Truck/SUV 2WD 396-502 $511.99
To order this item contact Customer Service at 1-800-345-4545.
Uncoated Headers
  • 1986-91 Chevy/GMC Truck/SUV 2WD 396-502
  • 1-3/4'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • SAP Port Shape
  • Tri-Y Design

  • Doug's Headers D3399Y-2R Details

    Chevy 396-502


    • 1986-91 Chevy/GMC 1-Ton 3500, Crew, Standard Cab Dually


    • 50-State Smog Legal header C.A.R.B E.O. #D-57-19.
    • Drivers side catalytic converter.

    Emission Code:

    • The product accompanying this document has been granted a California Air Resources Board (CARB) exemption, an ''EO'' number, or is a direct orconsolidated replacement part. It is 50-state legal, per the manufacturer'sapplication guide.

    Tri-Y, Shorty, or Full Headers for GM Trucks and SUVs

    With the proper tube size/length for efficient exhaust gas removal, these headers have 3/8" flanges and 16-gauge tubing. All necessary mounting hardware, gaskets, and collector reducers or connection pipes included.

  • Mandrel-bent 16-gauge tubing offers accurate fit, better flow, and longer life
  • 3/8" flanges prevent warping
  • Stitch-welded ports add strength
  • Machined sealing bead eliminates leaks
  • Precision-formed collectors reduce backpressure
  • Available uncoated (raw) or with a metallic ceramic thermal barrier
  • Metallic coating withstands up to 1400° and is polished to increase corrosion resistance over 60%

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