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Long Tube Header for 1966-1974 Chevy Blazer/C10, GMC C15/C1500/C25/C2500 [Ceramic Coated]
InfoVehicle Info Needed
FLOWTECHPART NUMBER: 387-31500

Long Tube Header for 1966-1974 Chevy Blazer/C10, GMC C15/C1500/C25/C2500 [Ceramic Coated]

$53195
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$12596
Metallic Ceramic Coated Long Tube Headers 1973-1987 Small Block Chevy Truck/SUV [265-400 ci]

555-300110

Metallic Ceramic Coated Long Tube Headers 1973-1987 Small Block Chevy Truck/SUV [265-400 ci]

$40599

GM Truck/SUV
Long Tube Exhaust Header
  • 1966-1974 Chevy Blazer/C10, GMC C15/C1500/C25/C2500
  • Small Block Chevy Engine Applications
  • 1 1/2 In. Primary Tubes, 3.00 In. Collector
  • Mild Steel Construction
  • Ceramic Coated Finish
  • Sold As a Pair

    A performance header upgrade for the Small Block Chevy platform, engineered to improve exhaust flow and add horsepower over the stock manifold.

    Flowtech Long Tube Header Features:

    • 1 1/2 in. primary tube diameter for optimized exhaust velocity.
    • 3.00 in. collector diameter for a smooth transition into the exhaust system.
    • Mild Steel construction with a ceramic coated finish for durability.
    • Sold as a Pair, complete with mounting hardware and gaskets for installation.
    • Part TypeHeader
    BrandFLOWTECH
    Package Height10.0
    Package Width19.0
    Package Length37.0
    Weight27.0 PG
    Part CategoryPerformance Parts
    Header FinishSilver ceramic coated
    Tube DirectionDown Swept
    Bolts/Studs IncludedYes
    Engine Make/SizeChevy Small Block Gen I
    Transmission Mount IncludedNo
    Gaskets IncludedYes
    Port ShapeOval
    Carb CompliantNo
    TunedNo
    Motor Mounts IncludedNo
    FinishCeramic Coated
    Primary Tube Gauge18-gauge
    Header StyleLong Tube
    Cross Over Pipe IncludedNo
    Header Flange Thickness0.3125 in.
    ColorSilver
    QuantityPair
    MaterialMild Steel
    Header MaterialSteel
    Weld-UpNo
    Collector Attachment3-bolt flange
    Flange StyleStandard
    Collector Diameter3.00 in.
    Part FitmentDirect Fit
    Reducers IncludedYes
    ApplicationAutomotive
    Grade TypePerformance
    Catalytic Converter(S) IncludedNo
    Primary Tube Diameter1 1/2 in.
    Vendor Part Number31500FLT
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

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