Shorty Headers 1997-2002 Ford F-150 F-250 Expedition 4.6L 50-State Legal
InfoVehicle Info Needed
FLOWTECHPART NUMBER: 387-91670

Shorty Headers 1997-2002 Ford F-150 F-250 Expedition 4.6L 50-State Legal

$25499
ShippingShips on 09/15/2026
Lowest PriceLowest Price Guarantee

Ford
  • Painted Black
    • Shorty Headers
    • 1997-2002 Ford F-150 / F-250 / Expedition
    • 4.6L
    • 1-1/2" Primary Tube
    • Mild Steel
    • High-Temp Black Paint Finish
    • C.A.R.B. EO #D-115-17

      1997-2002 Ford F-150/250/Expedition, 2WD & 4WD: 4.6L, Tube Size 1.5"; Black Paint; 50-State Legal header C.A.R.B. EO #D-115-17.

      Features:

      • This is a 50-State Legal header C.A.R.B. EO #D-115-17.
      • Sturdy 16 gauge tubing
      • Extra thick 3/8” flanges for a leak-free seal
      • Designed as a direct fit replacement for OEM exhaust manifolds
      • Will accommodate all emission control devices
      • Bolts directly to factory head pipe
      • Complete with premium gaskets and hardware

    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

    Part TypeHeader
    BrandFLOWTECH
    Package Height11.4
    Package Width15.2
    Package Length23.3
    Weight17.3 PG
    Part CategoryPerformance Parts
    Carb Eo NumberD-115-17 (pdf)
    Header FinishPainted
    Tube DirectionDown Swept
    QuantitySold as a pair
    Bolts/Studs IncludedYes
    Transmission Mount IncludedNo
    Header MaterialSteel
    Gaskets IncludedYes
    Weld-UpNo
    Collector AttachmentStock flange
    Flange StyleStandard
    TunedNo
    Motor Mounts IncludedNo
    Part FitmentSemi Universal
    Reducers IncludedNo
    ApplicationAutomotive
    Primary Tube Gauge16-gauge
    Header StyleShorty
    Cross Over Pipe IncludedNo
    Catalytic Converter(S) IncludedNo
    Primary Tube Diameter1.5 in (38.1 mm)
    Vendor Part Number91670FLT
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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