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Unpublished Item

Flowtech 31150 - FlowTech Headers



Flowtech 31150 - FlowTech Headers

Part Number: 387-31150

Long Tube Headers
  • 1968-77 Oldsmobile 442 and Cutlass 260-403
  • 1.75'' Tube
  • 3'' Collector
  • Ceramic Coated
  • $336.95
    Ships 08/29/16
    if Ordered Today
    Made In USA
    FREE Shipping

    Flowtech 31150 - FlowTech Headers Details

    Oldsmobile

  • Ceramic Coated

  • Also fits 1977-81 Pontiac Firebird
  • Must modify stock exhaust to retain catalytic converters

  • Specifications:

    Tube Size
    1.75
    Collector Tube Size (in.)
    3
    Application
    Automotive
    Tube Direction
    Down Swept
    Coating/Finish
    Metallic Ceramic
    Engine Make/Size
    Olds 260-350
    Port Shape
    Round
    Material
    Mild Steel
    Collector Diameter (in.)
    3
    Gaskets Included
    Yes
    Bolts/Studs Included
    Yes
    Catalytic Converter(s) Included
    No
    Collector Attachment
    3-bolt flange
    Cross Over Pipe Included
    No
    Header Finish
    Silver ceramic coated
    Header Material
    Steel
    Header Style
    Full-length
    Motor Mounts Included
    No
    Primary Tube Diameter (in.)
    1 3/4
    Primary Tube Gauge
    18-gauge
    Quantity
    Sold as a pair
    Reducers Included
    Yes
    Transmission Mount Included
    No
    Tuned
    No
    Weld-Up
    No
    Flange Style
    Standard
    Manufacturer's Part Number:
    31150FLT

    Performance Plus Fuel Economy at a Price You Can Afford!

    These headers are made of 16-gauge tubing that's welded to 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!




    Features
  • 16-gauge (.049" thick) cold-rolled mild steel (except stainless steel were noted)
  • 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, polished available for some applications

  • Does this fit your vehicle?

    Narrow Results

    1972-1974 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1968 OLDSMOBILE 442

    • CC: 5733
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1971 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1977 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • SubModel: 442
    • CUI: 350
    • EngineType: V8

    1977 OLDSMOBILE CUTLASS

    • Liter: 6.6
    • SubModel: COLONNADE
    • CUI: 403
    • EngineType: V8

    1968-1970 OLDSMOBILE 442

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1968 OLDSMOBILE CUTLASS

    • EngineType: V8
    • SubModel: S

    1975 OLDSMOBILE CUTLASS SUPREME

    • EngineType: ALL
    • SubModel: HURST

    1975-1977 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1971 OLDSMOBILE CUTLASS SUPREME

    • CC: 5733
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1977-1979 PONTIAC FIREBIRD

    • Liter: 6.6
    • SubModel: TRANS AM
    • CUI: 403
    • EngineType: V8

    1977-1979 PONTIAC FIREBIRD

    • Liter: 6.6
    • SubModel: FORMULA
    • CUI: 403
    • EngineType: V8

    1977 PONTIAC FIREBIRD

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 403
    • EngineType: V8

    1969-1971 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1972-1974 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1977 OLDSMOBILE CUTLASS SUPREME

    • Liter: 6.6
    • EngineType: V8
    • SubModel: COLONNADE

    1970 OLDSMOBILE 442

    • CC: 5733
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1969-1971 OLDSMOBILE CUTLASS

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1975 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.7
    • SubModel: CRUISER
    • CUI: 350
    • EngineType: V8

    1977 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • SubModel: S
    • CUI: 350
    • EngineType: V8

    1975 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • EngineType: V8
    • SubModel: 442

    1970-1971 OLDSMOBILE CUTLASS

    • CC: 5733
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1977 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.7
    • SubModel: BROUGHAM
    • CUI: 350
    • EngineType: V8

    1977 OLDSMOBILE CUTLASS SUPREME

    • Liter: 6.6
    • SubModel: BROUGHAM
    • CUI: 403
    • EngineType: V8

    1975 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • SubModel: S
    • CUI: 350
    • EngineType: V8

    1977 OLDSMOBILE CUTLASS SUPREME

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 403
    • EngineType: V8

    1971 OLDSMOBILE CUTLASS SUPREME

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1974 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CRUISER

    1968-1970 OLDSMOBILE 442

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1977 OLDSMOBILE CUTLASS SALON

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1968 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1976-1977 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • EngineType: V8
    • SubModel: COLONNADE S

    1976 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • EngineType: V8
    • SubModel: S

    1975-1977 OLDSMOBILE CUTLASS SALON

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1977 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • EngineType: V8
    • SubModel: COLONNADE

    1971-1974 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • EngineType: V8
    • SubModel: S

    1977 OLDSMOBILE CUTLASS

    • Liter: 6.6
    • SubModel: S
    • CUI: 403
    • EngineType: V8

    1975 OLDSMOBILE CUTLASS

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1972 OLDSMOBILE CUTLASS

    • EngineType: ALL
    • SubModel: CRUISER

    1976 OLDSMOBILE CUTLASS TIARA

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1977 OLDSMOBILE CUTLASS

    • Liter: 6.6
    • EngineType: V8
    • SubModel: COLONNADE S

    1976-1977 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.7
    • EngineType: V8
    • SubModel: COLONNADE
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