Product Summary

Tri-Y Header Tube Type, Standard Flange Style, Raw

  • Natural Finish
  • 304 Stainless steel
  • Full-length
  • 16 Gauge
  • Mounting hardware included
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Key Specs

MFG. Part #D300Y-SS
Header Tube TypeTri-Y
Flange StyleStandard
Primary Tube Diameter1-5/8"
Material TypeStainless Steel
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Need To Know

Quick and Easy Returns

Return Policy

Doug's Headers D300Y-SS Details

Experience is in Doug's Headers DNA. They have been a respected name since the 1960s and remain one of today's most popular brands among muscle car enthusiasts who don't sacrifice quality and fit when it comes to their vehicle.

Doug's stainless steel headers will give the greatest increases in horsepower and torque across the entire rpm spectrum, and they are meticulously designed to provide maximum power and the highest quality available. Available in many fitments, choose a set designed for your vehicle.

  • Natural finish
  • 304 Stainless Steel
  • Full-length
  • 16 Gauge
  • Mounting Hardware Included

Application

1963-1974 Chevrolet C10/C20/C30/K10/K20/K30 Pickup

1963-1966 Chevrolet Suburban

1969-1991 Chevrolet Blazer

Specs

1.625" Primary Tubing Diameter

2.5" Collector Port Diameter

Oval Port Shape

Warranty Information

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Doug's Headers warrants that their products will be free from defects in material and workmanship for a period of 1 year. The use of header wrap voids this warranty, and rust is not covered under this warranty.

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Doug's Headers D300Y-SS Specifications

KEY SPECS
MFG. Part #D300Y-SS
BrandDoug's Headers
Header Tube TypeTri-Y
Flange StyleStandard
Primary Tube Diameter1-5/8"
Material TypeStainless Steel
FinishRaw
Hardware IncludedYes
Gasket(s) IncludedYes
Collector Reducers IncludedYes
Collector Reducer Exit Diameter2.5"
Collector Attachment Type3-bolt flange
GENERAL
Sold in QuantityPair
GTIN Code694342557515
Flange Thickness0.38"
TunedNo
Crossover Pipe IncludedNo
Primary Tube Gauge16-gauge
Spark Plug PositionAngle/Straight
Gaskets IncludedYes
Transmission Mount IncludedNo
Cylinder Head Port ShapeOval
Catalytic Converter(s) IncludedNo
Bolts Studs IncludedYes
Motor Mounts IncludedNo

Questions & Answers

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