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Doug's Headers for GM Truck/SUV


Doug's Headers
Doug's Headers for GM Truck/SUV

Product images may differ from actual product appearance.

Every Doug's Header is tuned with the proper tube size and length to efficiently remove exhaust gasses from each cylinder. These headers feature 3/8'' flanges and 16-gauge tubing on passenger car applications. They include all necessary mounting hardware, collector reducers or connection pipes, premium gaskets and detailed instructions. Headers are available in either a Metallic Ceramic Thermal Barrier Coating or a uncoated raw finish. The Metallic Ceramic Thermal Barrier Coating will withstand up to 1400 degree temperatures! This coating is polished which increases corrosion resistance over 60%!

See More Details for Applications Listing.
  776-D300Y
Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC 265-400 2WD & 4WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D300Y
    		• $545.99
      776-D300Y-R
    		Uncoated/Raw Headers
  • 1973-91 Chevy/GMC 265-400 2WD & 4WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D300Y-R
    $0.00
    		• $397.99
    Doug's Headers D310 - Doug's Headers for GM Truck/SUV
         		776-D310
    		Metallic Ceramic Coated Headers
  • 1968-87 Chevy/GMC 265-400 2WD
  • 1-5/8'' Tube Diameter
  • 3'' Collector
  • Oval Port Shape
    More info on Doug's Headers D310
    		• $535.99
      776-D310-R
    		Uncoated/Raw Headers
  • 1968-87 Chevy/GMC 265-400 2WD
  • 1-5/8'' Tube Diameter
  • 3'' Collector
  • Oval Port Shape
    More info on Doug's Headers D310-R
    		• $397.99
      776-D3301
    		Metallic Ceramic Coated Headers
  • 1996-98 Chevy/GMC 5.7L 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3301
    		• $616.99
      776-D3301-R
    		Uncoated/Raw Headers
  • 1996-98 Chevy/GMC 5.7L 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3301-R
    		• $484.99
      776-D3302
    		Metallic Ceramic Coated Headers
  • 1996-98 Chevy/GMC 5.7L 2WD & 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
    More info on Doug's Headers D3302
    		• $626.99
      776-D3302-1
    		Metallic Ceramic Coated Headers
  • 1996-98 Chevy/GMC 5.7L 2WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
    More info on Doug's Headers D3302-1
    		• $626.99
      776-D3302-1R
    		Uncoated/Raw Headers
  • 1996-98 Chevy/GMC 5.7L 2WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
    More info on Doug's Headers D3302-1R
    		• $484.99
      776-D3302-R
    		Uncoated/Raw Headers
  • 1996-98 Chevy/GMC 5.7L 2WD & 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
    More info on Doug's Headers D3302-R
    		• $484.99
    Doug's Headers D3342 - Doug's Headers for GM Truck/SUV
         		776-D3342
    		Metallic Ceramic Coated Headers
  • 1968-87 Chevy/GMC 396-502 2WD
  • 1-3/4'' Tube Diameter
  • 3'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3342
    		• $545.99
      776-D3342-R
    		Uncoated/Raw Headers
  • 1968-87 Chevy/GMC 396-502 2WD
  • 1-3/4'' Tube Diameter
  • 3'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3342-R
    		• $409.99
      776-D3344
    		Metallic Ceramic Coated Headers
  • 1968-91 Chevy/GMC 396-502 4WD
  • 1-3/4'' Tube Diameter
  • 3'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3344
    		• $545.99
      776-D3344-R
    		Uncoated/Raw Headers
  • 1968-91 Chevy/GMC 396-502 4WD
  • 1-3/4'' Tube Diameter
  • 3'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3344-R
    		• $409.99
      776-D3345
    		Metallic Ceramic Coated Headers
  • 1988-98 Chevy/GMC 396-502 2WD & 4WD
  • 1-3/4'' Tube Diameter
  • 3'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3345
    		• $579.99
      776-D3345-R
    		Uncoated/Raw Headers
  • 1988-98 Chevy/GMC 396-502 2WD & 4WD
  • 1-3/4'' Tube Diameter
  • 3'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3345-R
    		• $454.99
      776-D3346
    		Metallic Ceramic Coated Headers
  • 1988-98 Chevy/GMC 265-400 2WD & 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3346
    		• $566.99
      776-D3346-R
    		Uncoated/Raw Headers
  • 1988-98 Chevy/GMC 265-400 2WD & 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3346-R
    		• $439.99
      776-D3353
    		Metallic Ceramic Coated Headers
  • 2000-01 Chevy/GMC 5.3L - 6.0L 2WD & 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3353
    		• $626.99
      776-D3353-1
    		Metallic Ceramic Coated Headers
  • 1999 Chevy/GMC 4.8L - 6.0L 2WD & 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3353-1
    		• $626.99
      776-D3353-1R
    		Uncoated/Raw Headers
  • 1999 Chevy/GMC 4.8L - 6.0L 2WD & 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3353-1R
    		• $484.99
      776-D3353-2
    		Metallic Ceramic Coated Headers
  • 1999 Chevy/GMC 4.8L - 6.0L 2WD & 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3353-2
    		• $616.99
      776-D3353-2R
    		Uncoated/Raw Headers
  • 1999 Chevy/GMC 4.8L - 6.0L 2WD & 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3353-2R
    		• $484.99
      776-D3353-3
    		Metallic Ceramic Coated Headers
  • 2000-01 Chevy/GMC 4.8L - 6.0L 2WD & 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3353-3
    		• $626.99
      776-D3353-3R
    		Uncoated/Raw Headers
  • 2000-01 Chevy/GMC 4.8L - 6.0L 2WD & 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3353-3R
    		• $484.99
      776-D3353-R
    		Uncoated/Raw Headers
  • 2000-01 Chevy/GMC 5.3L - 6.0L 2WD & 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3353-R
    		• $484.99
      776-D3354
    		Metallic Ceramic Coated Headers
  • 1999-05 Chevy/GMC 4.8L - 6.0L 2WD
  • 1-3/4'' Tube Diameter
  • 3'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3354
    		• $682.99
      776-D3354-R
    		Uncoated/Raw Headers
  • 1999-05 Chevy/GMC 4.8L - 6.0L 2WD
  • 1-3/4'' Tube Diameter
  • 3'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3354-R
    		• $524.99
      776-D3364Y-1
    		Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC 265-400 4WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3364Y-1
    		• $737.99
      776-D3364Y-1R
    		Uncoated/Raw Headers
  • 1973-91 Chevy/GMC 265-400 4WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3364Y-1R
    		• $575.99
      776-D3364Y-2
    		Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC 265-400 4WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3364Y-2
    		• $626.99
      776-D3364Y-2R
    		Uncoated/Raw Headers
  • 1973-91 Chevy/GMC 265-400 4WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3364Y-2R
    		• $484.99
      776-D3364Y-3
    		Metallic Ceramic Coated Headers
  • 1973-87 Chevy/GMC 265-400 4WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3364Y-3
    		• $626.99
      776-D3364Y-3R
    		Uncoated/Raw Headers
  • 1973-87 Chevy/GMC 265-400 4WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3364Y-3R
    		• $484.99
      776-D3364Y-4
    		Metallic Ceramic Coated Headers
  • 1973-87 Chevy/GMC 265-400 4WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3364Y-4
    		• $727.99
      776-D3364Y-4R
    		Uncoated/Raw Headers
  • 1973-87 Chevy/GMC 265-400 4WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3364Y-4R
    		• $585.99
      776-D3364Y-5
    		Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC 265-400 4WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3364Y-5
    		• $626.99
      776-D3364Y-5R
    		Uncoated/Raw Headers
  • 1973-91 Chevy/GMC 265-400 4WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3364Y-5R
    		• $484.99
      776-D3364Y-6
    		Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC 265-400 4WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3364Y-6
    		• $727.99
      776-D3364Y-6R
    		Uncoated/Raw Headers
  • 1973-91 Chevy/GMC 265-400 4WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3364Y-6R
    		• $575.99
      776-D3367Y-1
    		Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC 265-400 2WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3367Y-1
    		• $727.99
      776-D3367Y-1R
    		Uncoated/Raw Headers
  • 1973-91 Chevy/GMC 265-400 2WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3367Y-1R
    		• $575.99
      776-D3367Y-2
    		Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC 265-400 2WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3367Y-2
    		• $626.99
      776-D3367Y-2R
    		Uncoated/Raw Headers
  • 1973-91 Chevy/GMC 265-400 2WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3367Y-2R
    		• $484.99
      776-D3367Y-3
    		Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC 265-400 2WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3367Y-3
    		• $626.99
      776-D3367Y-3R
    		Uncoated/Raw Headers
  • 1973-91 Chevy/GMC 265-400 2WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3367Y-3R
    		• $484.99
      776-D3367Y-4
    		Metallic Ceramic Coated Headers
  • 1973-91 Chevy/GMC 265-400 2WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3367Y-4
    		• $727.99
      776-D3367Y-4R
    		Uncoated/Raw Headers
  • 1973-91 Chevy/GMC 265-400 2WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3367Y-4R
    		• $595.99
      776-D3373
    		Metallic Ceramic Coated Headers
  • 2002-07 Chevy/GMC 4.8L - 5.3L 2WD & 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3373
    		• $626.99
      776-D3373-R
    		Uncoated/Raw Headers
  • 2002-07 Chevy/GMC 4.8L - 5.3L 2WD & 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • SAP Port Shape
    More info on Doug's Headers D3373-R
    		• $484.99
      776-D3383-2
    		Metallic Ceramic Coated Headers
  • 1988-95 Chevy/GMC 265-400 2WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
    More info on Doug's Headers D3383-2
    		• $626.99
      776-D3383-2R
    		Uncoated/Raw Headers
  • 1988-95 Chevy/GMC 265-400 2WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
    More info on Doug's Headers D3383-2R
    		• $484.99
      776-D3385Y-1
    		Metallic Ceramic Coated Headers
  • 1988-95 Chevy/GMC 265-400 2WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3385Y-1
    		• $626.99
      776-D3385Y-1R
    		Uncoated/Raw Headers
  • 1988-95 Chevy/GMC 265-400 2WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3385Y-1R
    		• $484.99
      776-D3385Y-2
    		Metallic Ceramic Coated Headers
  • 1988-95 Chevy/GMC 265-400 2WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3385Y-2
    		• $626.99
      776-D3385Y-2R
    		Uncoated/Raw Headers
  • 1988-95 Chevy/GMC 265-400 2WD
  • 1-5/8'' - 2'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
  • Tri-Y Design
    More info on Doug's Headers D3385Y-2R
    		• $484.99
      776-D3386
    		Metallic Ceramic Coated Headers
  • 1988-95 Chevy/GMC 265-400 4WD
  • 1-5/8'' Tube Diameter
  • 2-1/2'' Collector
  • Oval Port Shape
    More info on Doug's Headers D3386
    		• $626.99