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Doug's Headers 1 3/4" 4-Tube Full Length D-Port Headers Pontiac GTO 326-455 68-72 Metallic Ceramic Coating

Pontiac 1968-1972 389-455 GTO, Lemans, Tempest D-Port Headers 1 3/4" Pipe, 3" Collector (Ceramic Coated) *May have to reposition brake proportioning valve on dr. side frame rail*
Pricing: $1,042.95
5 5 1

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3/8" Thick machined flanges... no warping CNC mandrel bent tubes... accurate fit & better flow Precision formed long transition collectors and long tube design... reduces backpressure and increases higher RPM horsepower Heavy 16 gauge tubing... longer life Tubes are pre-polished to remove scratches and the header is finished with a Metallic Ceramic Thermal Barrier Coating polished to a high luster appearance offering corrosion and heat resistance up to 1400 degrees

Doug's COATED(-C) Headers come with a ceramic heat barrier and rust proof coating (polished aluminum color)


  • DHE-D590
  • DHE-D590
  • Doug's Headers
  • New


Shipping Information

  • Item Requires Shipping
  • 45.0 lbs.
  • W26.0000” x H12.0000” x L43.0000”
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Customer Reviews

Comment Total Reviews (1)

72 Lemans
  • Currently 5/5 Stars

Reviewed by:

Product ownership: A year or longer

Purchased from: Butler Performance Inc.

Perfect fit and function. keeps the exhaust tucked up high under the chassis. coating has held up for years.

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