Product Summary

Tri-Y Header Tube Type, Oval Exhaust Port Shape, Steel

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    Key Specs

    MFG. Part #D375Y
    Header Tube TypeTri-Y
    Exhaust Port ShapeOval
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
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    Need To Know

    Quick and Easy Returns

    Return Policy

    Doug's Headers D375Y Details

    Coated Chevy Camaro (67-74) 265-400 Engine, Chevelle (68-74) 265-400 Engine, Chevy II, Nova (68-72) 265-400 Engine, El Camino (68-74) 265-400 Engine, Passenger Car, Wagon (65-70) 265-400 Engine, 2WD 1/2, 3/4, 1 Ton/1500, 2500, 3500 Trucks (65-66) 265-400 Engine. This part comes standard with Metallic Ceramic Thermal Barrier Coating (MCTBC). MCTBC protects and extends the life of headers by creating a thermal barrier that significantly lowers underhood temperatures and protects the substrate metal from thermal fatigue. It also provide corrosion resistance to protect it for years to come.

    Please see our online catalog for specific application information.

    Every Dougs 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. Dougs headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.Every Dougs 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. Dougs 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
    • Tri-Y headers yield maximum power from off idle to 4500 RPM making them well suited for applications demanding maximum mid-range torque with maximum fuel economy
    • 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 D375Y 1 5/8" Tri-Y Header Chevrolet Camaro Small Block Chevrolet 67-74 Metallic Ceramic Coating
    • Tri-Y Design - Ceramic Coated
    • Collector: 2 1/2
    • Port: OVL
    • Primary: 1 5/8 - 2
    • Does not fit W/powerglide trans
    • exc. states w/Calif. emission stds
    • Fits D-Port heads
    • use left side AC bracket H7608
    • removal/modification of locking steering column reqd.
    • with A/C
    • For Off-Road Use Only
    • with Floor Shifter
    • Doug's Headers D375Y 1 5/8" Tri-Y Header Chevrolet Camaro Small Block Chevrolet 67-74 Metallic Ceramic Coating
    • Tri-Y Design - Ceramic Coated
    • Collector: 2 1/2
    • Port: OVL
    • Primary: 1 5/8 - 2
    • Does not fit W/powerglide trans
    • exc. states w/Calif. emission stds
    • Fits D-Port heads
    • use left side AC bracket H7608
    • removal/modification of locking steering column reqd.
    • with A/C
    • For Off-Road Use Only
    • with Floor Shifter

    Application

    1965-1967 Chevrolet Bel Air 4.6L/283 V8
    1965-1969 Chevrolet Bel Air 5.3L/327 V8
    1969-1970 Chevrolet Bel Air 5.7L/350 V8
    1968 Chevrolet Bel Air 5L/307 V8
    1967 Chevrolet Camaro 4.6L/283 V8
    1967-1969 Chevrolet Camaro 4.9L/302 V8
    1968-1970 Chevrolet Camaro 5.7L/350 V8
    1970-1973 Chevrolet Camaro 5L/307 V8
    1966-1967 Chevrolet Caprice 4.6L/283 V8
    1966-1969 Chevrolet Caprice 5.3L/327 V8
    1969-1970 Chevrolet Caprice 5.7L/350 V8
    1968 Chevrolet Caprice 5L/307 V8
    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
    1968 Chevrolet Chevy II 5.3L/327 V8
    1968 Chevrolet Chevy II 5.7L/350 V8
    1968 Chevrolet Chevy II 5L/307 V8
    1965-1968 Chevrolet Corvette 5.3L/327 V8
    1969-1970 Chevrolet Corvette 5.7L/350 V8
    1964-1967 Chevrolet El Camino 4.6L/283 V8
    1964-1969 Chevrolet El Camino 5.3L/327 V8
    1968-1977 Chevrolet El Camino 5.7L/350 V8
    1976-1977 Chevrolet El Camino 5L/305 V8
    1968-1973 Chevrolet El Camino 5L/307 V8
    1970-1976 Chevrolet El Camino 6.6L/400 V8
    1965-1967 Chevrolet Impala 4.6L/283 V8
    1965-1969 Chevrolet Impala 5.3L/327 V8
    1969-1970 Chevrolet Impala 5.7L/350 V8
    1968 Chevrolet Impala 5L/307 V8
    1964-1967 Chevrolet Malibu 4.6L/283 V8
    1964-1967 Chevrolet Malibu 5.3L/327 V8
    1973-1977 Chevrolet Malibu 5.7L/350 V8
    1976-1977 Chevrolet Malibu 5L/305 V8
    1973 Chevrolet Malibu 5L/307 V8
    1973-1976 Chevrolet Malibu 6.6L/400 V8
    1970 Chevrolet Monte Carlo 5.7L/350 V8
    1969-1972 Chevrolet Nova 5.7L/350 V8
    1969-1972 Chevrolet Nova 5L/307 V8
    1965 GMC 1500 Series 5L/305 V6
    1965 GMC 2500 Series 5L/305 V6
    1967 Pontiac Firebird 5.3L/326 V8
    1968-1971 Pontiac Firebird 5.7L/350 V8
    1967-1974 Pontiac Firebird 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 D375Y Specifications

    KEY SPECS
    MFG. Part #D375Y
    BrandDoug's Headers
    Header Tube TypeTri-Y
    Exhaust Port ShapeOval
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
    Material TypeSteel
    ColorSilver
    Weld-UpNo
    Collector Diameter2-1/2 Inch
    FinishCeramic Coated
    Hardware IncludedYes
    Gasket(s) IncludedYes
    GENERAL
    Sold in QuantityPair
    GTIN Code694342509309

    Questions & Answers

    Fitment

    • 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

    • 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

    • 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 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 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 400

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 LG3 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 400

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 DZ Small Block Chevy

    • Gen 1 DZ Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 LG3 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

    • Gen 1 LG3 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

    • 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 LG3 Small Block Chevy

    • 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 400

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 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 LG3 Small Block Chevy

    • 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 400

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 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 400

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 LG3 Small Block Chevy

    • 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 LG3 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 400

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • Gen 1 LG3 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 400

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 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 400

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • Gen 1 LG3 Small Block Chevy

    • 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 400

    • Gen 1 LG3 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 400

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 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

    • 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

    • Gen 1 LG3 Small Block Chevy

    • 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 400

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 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

    • Gen 1 LG3 Small Block Chevy

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 2-Piece Rear Main Chevy 283

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 LG3 Small Block Chevy

    • 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

    • 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

    • 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 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

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 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 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