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  • In Stock
  • Ships out in 1-2 business days
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  • Set of 2
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  • Part #: F3112504
  • Mfr #: 12504FLT
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1981-1988 Ford F-150 Headers - Flowtech - Flowtech I, Black, Steel, 4-1, 49-state legal - no CA shipments, Minor modifications required

  • Product Details
  • Manufacturer Info
  • Extended Warranty
  • Related Products
  • Fitment Info
FLOWTECH I STANDARD FULL-LENGTH HEADERS, SATIN BLACK HI-TEMPERATURE PAINTED -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.5 in. tube diameter, 16-gauge tube wall thickness, 2.5 in. weld-on collector, standard head flange; All mounting hardware such as bolts, nuts, and premium gasket are included; Full-length style; Round head port; These headers are precision-engineered and leak-tested to provide the maximum performance and fuel efficiency of your engine; Formed from specially selected 0.060 cold roll flash controlled tubing with high quality electrostatically-applied satin black paint finish; They feature Flowtech's exclusive, thick, and mandrel-formed power plenum collector; All ports are precisely fitted and finished with sturdy and leaf-proof o-ringed port seals; Must modify stock exhaust to retain catalytic converters.
  • Series: Flowtech I
  • Material: Steel
  • Design: 4-1
  • Color/Finish: Black
  • Emissions: 49-state legal - no CA shipments
  • Product Fit: Minor modifications required
  • Quantity Sold: Set of 2
  • Anticipated Ship Out Time: 1-2 business days
  • Collector Attachment Style: Weld-on
  • Collector Diameter: 2.5 in.
  • Equal Length Primary Tubes: Yes
  • Head Flange Style: Standard
  • Head Port Shape: Round
  • Includes: Gasket(s)
  • Number of Cylinders: 8
  • Primary Tube Diameter: 1.5 in.
  • Primary Tube Wall Thickness: 16-gauge
  • Warranty: 90-day Flowtech warranty
  • Fit note: 4WD, Automatic Transmission, Without Air Conditioning
This product fits the following Ford F-150 submodels
  • 1982-1988: XL; 8 Cyl 5.8L;
  • 1982-1988: XLT Lariat; 8 Cyl 5.8L;
  • 1981-1988: Custom; 8 Cyl 5.8L;
  • 1983-1986: Base; 8 Cyl 5.8L;
  • 1983-1984: XLT; 8 Cyl 5.8L;
  • 1982-1983: XLS; 8 Cyl 5.8L;
  • 1981-1981: Ranger Lariat; 8 Cyl 5.8L;
  • 1981-1981: Ranger XLT; 8 Cyl 5.8L;
  • 1981-1981: Ranger; 8 Cyl 5.8L;