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Doug's Headers for Chevy/GMC Truck/SUV


Doug's Headers
Doug's Headers for Chevy/GMC Truck/SUV

Product images may differ from actual product appearance.

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%


  • 44 Products Page: 1 2 ... |  Next Results per Page:
    1967-72 Chevy 265-400

    776-D371Y-R
    Uncoated Headers
  • 1967-72 Chevy/GMC Truck/SUV 2WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • $434.99
    Order Today Ships 11/06/14

    776-D371Y
    Metallic Ceramic Coated Headers
  • 1967-72 Chevy/GMC Truck/SUV 2WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • $636.99
    Order Today Ships 11/06/14

    776-D372Y-R
    Uncoated Headers
  • 1967-72 Chevy/GMC Truck/SUV 2WD/4WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • $434.99
    Order Today Ships 11/06/14

    776-D372Y
    Metallic Ceramic Coated Headers
  • 1967-72 Chevy/GMC Truck/SUV 2WD/4WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • $636.99
    Order Today Ships 10/31/14
    1968-87 Chevy 265-400

    776-D310-R
    Uncoated Headers
  • 1973-87 Chevy/GMC Truck/SUV 2WD 265-400
  • 1-5/8'' Tube Diameter
  • 3'' Collector
  • Oval Port Shape
  • Full-Length
  • $470.99
    Order Today Ships 11/06/14

    776-D310
    Metallic Ceramic Coated Headers
  • 1968-87 Chevy/GMC Truck/SUV 2WD 265-400
  • 1-5/8'' Tube Diameter
  • 3'' Collector
  • Oval Port Shape
  • Full-Length
  • $636.99
    Order Today Ships 11/06/14
    1973-87 C10 Truck LS1-LS6 Swap

    776-D314
    Metallic Ceramic Coated Headers
  • 1973-87 C10 Truck LS1-LS6 Swap
  • 1-7/8'' Tube Diameter
  • 3'' Collector
  • SAP Port Shape
  • $636.99
    Order Today Ships 11/06/14
    1973-87 Chevy 265-400

    776-D3364Y-3R
    Uncoated Headers
  • 1973-87 Chevy/GMC Truck/SUV 4WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • $521.99
    Order Today Ships 11/06/14

    776-D3364Y-3
    Metallic Ceramic Coated Headers
  • 1973-87 Chevy/GMC Truck/SUV 4WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • $696.99
    Order Today Ships 11/06/14

    776-D3364Y-4R
    Uncoated Headers
  • 1973-87 Chevy/GMC Truck/SUV 4WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • Includes Heat Riser
  • $616.99
    Order Today Ships 11/06/14

    776-D3364Y-4
    Metallic Ceramic Coated Headers
  • 1973-87 Chevy/GMC Truck/SUV 4WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • Includes Heat Riser
  • $781.99
    Order Today Ships 11/06/14
    1973-91 Chevy 265-400

    776-D3367Y-2R
    Uncoated Headers
  • 1973-91 Chevy/GMC Truck/SUV 2WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • $535.99
    Order Today Ships 11/06/14

    776-D3367Y-2
    Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC Truck/SUV 2WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • $706.99
    Order Today Ships 11/06/14

    776-D3367Y-3
    Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC Truck/SUV 2WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • CARB E.O. #D-57-19
  • $681.99
    Order Today Ships 11/06/14

    776-D3367Y-1R
    Uncoated Headers
  • 1973-91 Chevy/GMC Truck/SUV 2WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • Includes Heat Riser
  • $618.99
    Order Today Ships 11/06/14

    776-D3367Y-1
    Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC Truck/SUV 2WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • Includes Heat Riser
  • $848.99
    Order Today Ships 11/06/14

    776-D3367Y-4R
    Uncoated Headers
  • 1973-91 Chevy/GMC Truck/SUV 2WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • CARB E.O. #D-57-19
  • Includes Heat Riser
  • $618.99
    Order Today Ships 11/06/14

    776-D3367Y-4
    Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC Truck/SUV 2WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • CARB E.O. #D-57-19
  • Includes Heat Riser
  • $848.99
    Order Today Ships 11/06/14

    776-D3364Y-2R
    Uncoated Headers
  • 1973-87 Chevy/GMC Truck/SUV 4WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • $512.99
    Order Today Ships 11/06/14

    776-D3364Y-2
    Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC Truck/SUV 4WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • $666.99
    Order Today Ships 11/06/14

    776-D3364Y-6R
    Uncoated Headers
  • 1973-91 Chevy/GMC Truck/SUV 4WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • Includes Heat Riser
  • $616.99
    Order Today Ships 11/06/14

    776-D3364Y-6
    Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC Truck/SUV 4WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • Includes Heat Riser
  • $781.99
    Order Today Ships 11/06/14

    776-D3364Y-1R
    Uncoated Headers
  • 1973-91 Chevy/GMC Truck/SUV 4WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • CARB E.O. #D-57-19
  • Includes Heat Riser
  • $621.99
    Order Today Ships 11/06/14

    776-D3364Y-1
    Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC Truck/SUV 4WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • CARB E.O. #D-57-19
  • Includes Heat Riser
  • $848.99
    Order Today Ships 11/06/14

    776-D300Y-R
    Uncoated Headers
  • 1973-91 Chevy/GMC Truck/SUV 2WD/4WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • $470.99
    Order Today Ships 11/06/14

    776-D300Y
    Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC Truck/SUV 2WD/4WD 265-400
  • 1-5/8'' to 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
  • $622.99
    Order Today Ships 11/06/14
    Chevy 396-502

    776-D3399Y-2R
    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
  • $525.99
    Order Today Ships 11/06/14

    776-D3399Y-2
    Metallic Ceramic Coated 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
  • $681.99
    Order Today Ships 11/06/14

    776-D3399Y-1R
    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
  • $521.99
    Order Today Ships 11/06/14

    776-D3399Y-1
    Metallic Ceramic Coated 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
  • $696.99
    Order Today Ships 11/06/14

    44 Products Page: 1 2 ... |  Next Results per Page: