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Doug's Headers Long Tube Header 67-69 Firebird 326-455 1 3/4" Primary 3" Collector Silver Ceramic Coated

Part # D569SKU DOUD569

Set your vehicle above for a fit verdict. 2 vehicles listed below.

Specifications
BrandDoug's Headers
Part typeExhaust Header
Collector Attachment3-Bolt Flange
Collector Diameter3.0 in
Collector Port Diameter3.0 in
ColorSilver
Cylinder Head Port ShapeD-port
DesignFull-length
EGT PortNo
EmissionFullDES4 - This Product is considered a Replacement Part per CARB and EPA regulations for emissions compliance and is legal for sale and use on specified vehicles in all 50 states as stated in Manufacturer’s Application Guide and Installation Instructions.
FinishMetallic Ceramic Coated
Flange Thickness0.375 in
Gasket Or Seal IncludedYes
Gaskets IncludedYes
Grade TypePerformance
Header MaterialSteel
Header StyleFull-length
MaterialSteel
Mounting Hardware IncludedYes
Oxygen Sensor PortNo
Port ShapeD-port
Primary Tube Outside Diameter1.75 in
Primary Tubing Diameter1.75 in
Sheen LevelSemi-Gloss
Tube Wall Thickness16 ga.
UPC / GTIN00694342509842
  • 3/8" Thick machined flanges to prevent warping
  • Precision formed long transition collectors and long tube design reduces backpressure and increases higher RPM horsepower
  • Heavy duty 16-gauge tubing for long life
  • Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating

Description

Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market.

Fits these vehicles 2

YearMakeModelEngine
1967PontiacFirebird5.3L 326 V8, 6.6L 400 V8
1968 - 1969PontiacFirebird5.7L 350 V8, 6.6L 400 V8