Upright Derby Headers for Small Block Chevy
InfoVehicle Info Needed
FLOWTECHPART NUMBER: 387-11546

Upright Derby Headers for Small Block Chevy

$37395$415.95You Save$42.00
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Small Block Chevy
Upright Derby Headers
  • Small Block Chevy
  • 1-3/4 in. Primary Tubes
  • 3 in. Diameter Collector
  • Raw Stainless Steel Finish

    Flowtech 11546 (11546FLT) Features:

    • CNC Mandrel-bent tubes ensure consistent tubing diameters for smooth exhaust flow, enhancing cylinder scavenging and improving engine breathing
    • Constructed from heavy-duty 16-gauge 409 stainless steel (SS) for superior strength and long-lasting durability
    • Designed with a 3 in.collector for maximum strength and optimized exhaust flow
    • Features an extra-thick header flange for a leak-free seal and added strength
    • Welded-in collector merge spears help control exhaust gas re-entry into the primary tubes, ensuring efficient exhaust flow

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    • Headers that Offer Performance and Value

      Flowtech designed this heavy-duty, 16-gauge 409 stainless steel header with the derby driver and mud bog competitor in mind. Featuring mandrel-bent tubing, Upright Derby Headers provide a consistent and smooth flow to increase exhaust velocity, and the welded-in collector merge spears help control back pressure allowing your engine to build more horsepower.

    Part TypeHeader
    Product LineFlowtech Upright Derby Headers
    BrandFLOWTECH
    Package Height13.5
    Package Width16.0
    Package Length39.0
    Weight33.0 PG
    Part CategoryPerformance Parts
    Header MaterialStainless steel
    Gaskets IncludedNo
    Hardware IncludedNo
    Mandrel-BentYes
    Collector Diameter3 in
    Bolts/Studs IncludedNo
    Part FitmentSemi Universal
    Engine Make/SizeChevy Small Block
    Header StyleUpright
    Primary Tube Diameter1 3/4 in
    Gauge16
    Vendor Part Number11546FLT
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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