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Product Summary

305, 350, 350, Shorty Header Tube Type, Ceramic Coated

    Key Specs

    Header Tube TypeShorty
    FinishCeramic Coated
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
    Material TypeSteel

    Need To Know

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    Dougs Headers D3320 Details

    Doug's PASSENGER CAR HEADERS Mid Length 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
    • Mid length headers provide improved groungd clearance for popular muscle cars and street rods
    • 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 D3320 1 5/8" 4-Tube Shorty Header Chevrolet Camaro Small Block Chevrolet 82-92 Metallic Ceramic Coating
    • Shorty Design - Ceramic Coated
    • Collector: 3
    • Port Shape: RD
    • Primary: 1 5/8
    • legal for off-highway use (exc. in Calif. or states using Calif. emission stds.)
    • equipped with a fitting to accept stock O2 sensor
    • with A/C
    • with Floor Shifter
    • Doug's Headers D3320 1 5/8" 4-Tube Shorty Header Chevrolet Camaro Small Block Chevrolet 82-92 Metallic Ceramic Coating
    • Shorty Design - Ceramic Coated
    • Collector: 3
    • Port Shape: RD
    • Primary: 1 5/8
    • legal for off-highway use (exc. in Calif. or states using Calif. emission stds.)
    • equipped with a fitting to accept stock O2 sensor
    • with A/C
    • with Floor Shifter

    Application

    1987-1992 Chevrolet Camaro 5.7L/350 V8
    1982-1992 Chevrolet Camaro 5L/305 V8
    1987-1992 Pontiac Firebird 5.7L/350 V8
    1982-1992 Pontiac Firebird 5L/305 V8

    Charts

    CARB Warning

    For race/ off road use or for use on pre-1966 vehicles.

    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, or 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.

    Dougs Headers D3320 Specifications

    KEY SPECS
    MFG. Part #D3320
    BrandDougs Headers
    Header Tube TypeShorty
    FinishCeramic Coated
    Flange StyleStandard
    Primary Tube Diameter1-5/8"
    Material TypeSteel
    ColorSilver
    Weld-UpNo
    Exhaust Port ShapeOval
    Collector Diameter3-1/2 Inch
    Hardware IncludedYes
    Gasket(s) IncludedYes
    Collector Attachment Type3-bolt flange
    Collector Reducers IncludedNo
    GENERAL
    Speedway Motors Catalog Part #447-D3320
    Sold in QuantityPair
    GTIN Code694342507428