Product Summary

Long Tube Header Tube Type, Standard Flange Style

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    Key Specs

    MFG. Part #D369
    Header Tube TypeLong Tube
    Flange StyleStandard
    Primary Tube Diameter1-3/4"
    Material TypeSteel
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    Need To Know

    Quick and Easy Returns

    Return Policy

    Doug's Headers D369 Details

    Doug's PASSENGER CAR HEADERS Long Tube Metallic Ceramic CoatedHeader development and design is complex and requires a substantial amount of time and resources to do the job right! Many manufacturers are unwilling to make the commitment and instead offer compromised headers at lower prices. Doug's will not compromise performance, quality or fit to compete with inferior designs at cheap prices. Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

    • 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 isfinished with a Metallic Ceramic Thermal Barrier Coating polished to a high luster appearance offering corrosion and heat resistance up to 1400 degrees
    • Doug's Headers D369 1 3/4" 4-Tube Full Length Header Chevrolet Chevelle Small Block Chevrolet 64-75 Metallic Ceramic Coating
    • Ceramic Coated
    • Collector: 3
    • Port: SAP
    • Primary: 1 3/4
    • exc. states w/Calif. emission stds
    • Fits D-Port heads
    • Requires removal or modification of locking steering columns
    • with Column Shift
    • without A/C
    • For Off-Road Use Only
    • with Floor Shifter
    • Doug's Headers D369 1 3/4" 4-Tube Full Length Header Chevrolet Chevelle Small Block Chevrolet 64-75 Metallic Ceramic Coating
    • Ceramic Coated
    • Collector: 3
    • Port: SAP
    • Primary: 1 3/4
    • exc. states w/Calif. emission stds
    • Fits D-Port heads
    • Requires removal or modification of locking steering columns
    • with Column Shift
    • without A/C
    • For Off-Road Use Only
    • with Floor Shifter

    Application

    1964-1967 Chevrolet Chevelle 4.6L/283 V8
    1964-1968 Chevrolet Chevelle 5.3L/327 V8
    1968-1973 Chevrolet Chevelle 5.7L/350 V8
    1968-1973 Chevrolet Chevelle 5L/307 V8
    1970-1973 Chevrolet Chevelle 6.6L/400 V8
    1964-1967 Chevrolet El Camino 4.6L/283 V8
    1964-1969 Chevrolet El Camino 5.3L/327 V8
    1968-1975 Chevrolet El Camino 5.7L/350 V8
    1968-1973 Chevrolet El Camino 5L/307 V8
    1970-1975 Chevrolet El Camino 6.6L/400 V8
    1964-1967 Chevrolet Malibu 4.6L/283 V8
    1964-1967 Chevrolet Malibu 5.3L/327 V8
    1973-1974 Chevrolet Malibu 5.7L/350 V8
    1973 Chevrolet Malibu 5L/307 V8
    1973-1975 Chevrolet Malibu 6.6L/400 V8

    Charts

    CARB Warning

    For use on pre-1966 vehicles only

    Emissions warning: this part only legal for sale or use in California if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. ++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 D369 Specifications

    KEY SPECS
    MFG. Part #D369
    BrandDoug's Headers
    Header Tube TypeLong Tube
    Flange StyleStandard
    Primary Tube Diameter1-3/4"
    Material TypeSteel
    ColorSilver
    Weld-UpNo
    Collector Diameter3 Inch
    FinishCeramic Coated
    Hardware IncludedYes
    Gasket(s) IncludedYes
    GENERAL
    Sold in QuantityPair
    GTIN Code694342509248

    Ratings & Reviews

    4

    1 Review

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    1 reviews

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    Highly recommend, I have used Doug Headers for over 50 years

    4.0

    a year ago

    Mike

    Lake Havasu City, AZ

    Verified

    Headers are nice, just wish I could have found larger main tube size for a SBC. They are going on a blown 350.

    Would Recommend

    Showing 1 of 1 reviews

    Questions & Answers

    1 Question • 1 Answer

    Will this set of headers fit my 64 malibu ss, 327, aluminhm promaxx angle plug heads, tubo 350 trans with console shift ? If not can you sugest a set? Thanks Philip.

    by PHILIP

    • 8 years ago

    1 answer

    1 of 1 questions shown

    Fitment

    • 2-Piece Rear Main Chevy 283

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    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 L14 Small Block Chevy

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    • Gen 1 L14 Small Block Chevy

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    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 400

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

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    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

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    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 400

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    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    • 2-Piece Rear Main Chevy 283

    Customer Impersonation Script