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Flowtech 11133Y-1 - FlowTech Headers

Flowtech 11133Y-1 - FlowTech Headers


  • For Headers #387-11133-1 and #387-11134-1
    • $288.95 Order Today Ships 12/29/14

    Flowtech 11133Y-1 - FlowTech Headers Details

    GM F-Body

  • Ceramic Coated

    Connects OE-style cat-back exhaust to headers. Off-road use only. Not emissions-legal for street.

  • Flowtech 11133Y-1 - FlowTech Headers

    Performance Plus Fuel Economy at a Price You Can Afford!

    These headers are made of 16-gauge tubing that's welded to 5/16" O-ring port exhaust flanges on one end and mandrel-formed collectors on the other. You get a premium performance-minded design with a budget-minded attitude!

  • 16-gauge cold-rolled mild steel (.049" thick)
  • Precision engineered for performance, fuel economy, and fit
  • Mandrel-formed plenum increases flow for more power
  • Leakproof O-ring port seals quality tested by FlowTech
  • Finished with black paint or ceramic coating

  • Flowtech 387-11133Y-1

    Tube Size
    Mild Steel
    Manufacturer's Part Number:
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