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

Doug's Headers D3399Y-1R

776-D3399Y-1R

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Estimated to ship directly from the manufacturer on 10/05/18
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Doug's Headers Uncoated Headers 1986-91 Chevy/GMC Truck/SUV 2WD 396-502 $511.99
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
  • CARB E.O. #D-57-19

  • Doug's Headers D3399Y-1R Details

    Chevy 396-502

    Fits:

    • 1986-91 Blazer, Jimmy, Suburban, Tahoe, Yukon

    Notes:

    • 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 or consolidated replacement part. It is 50-state legal, per the manufacturer's application guide.
    AutomaticManual
    A/CP/BP/SColumnFloorColumnFloor
    Y Y Y Y Y N N

    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.

    Features
  • 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%

  • Does Doug's Headers D3399Y-1R fit your vehicle?

    Narrow Results

    1987-1990 GMC R2500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1986 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM

    1986 GMC C2500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1989-1991 CHEVROLET R2500 SUBURBAN

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1988 CHEVROLET R20 SUBURBAN

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1991 GMC R2500 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1987 CHEVROLET R20 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE
    Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.