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Flowtech 11114

Flowtech Unequal Length Shorty Headers

387-11114

Free Shipping Ships

$162.95
$146.66
SAVE $16.29
Flowtech Unequal Length Shorty Headers $146.66
Out of stock
QTY
Unequal Length Shorty Headers
  • Chevy 305
  • 1978-1987 Chevelle, El Camino, Olds Cutlass/442
  • 1982-1989 Camaro/Firebird
  • 1.5'' Tube
  • 2.5'' Collector
  • Painted Black
  • Flowtech 11114 Details

    GM Cars

  • Applications with oxygen sensors use reducers 387-10105 for 2-1/2'' three bolt flange
  • Shorty-style header, will also work on catalytic equipped vehicles. Head pipe fabrication is required
  • Modification to stock exhaust is required to retain stock catalytic converters
  • On 1987 models will not fit with factory oil cooler
  • Fitting for exhaust gas temperature sensor is welded to header, hole is not drilled.

  • Specifications:

    Application
    Automotive
    Tube Direction
    Down Swept
    Gaskets Included
    Yes
    Header Finish
    Painted
    Header Material
    Steel
    Header Style
    Shorty
    Motor Mounts Included
    No
    Tuned
    No
    Bolts/Studs Included
    Yes
    Catalytic Converter(s) Included
    No
    Cross Over Pipe Included
    No
    Reducers Included
    Yes
    Transmission Mount Included
    No
    Weld-Up
    No
    Primary Tube Diameter (in.)
    1 1/2
    Quantity
    Sold as a pair
    Primary Tube Gauge
    18-gauge
    Flange Style
    Standard
    Collector Attachment
    3-bolt flange
    Collector Diameter (in.)
    2.5
    Manufacturer's Part Number:
    11114
    Shipping Weight:
    19.22
    Package Height:
    23.7
    Package Depth:
    10.5
    Package Width:
    16.1

    Bolt-On Performance!

    Flowmaster is a smart choice for quality performance exhaust headers at a great price.  All Flowtech Headers are sold in pairs and are available in mild steel, 304 or 409 stainless steel with either a natural, painted, ceramic coated or polished finish.

    Features:

    • Application Specific for an exact fit
    • Mild Steel, 304 or 409 stainless steel construction
    • 3/8 in. thick flanges provide a leak-free seal
    • Shorty, standard and long tube lengths available
    • Natural, painted, ceramic coated and polished finishes available

     

    Does Flowtech 11114 fit your vehicle?

    Narrow Results

    1980 OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1985 PONTIAC FIREBIRD

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: S/E
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1986 PONTIAC FIREBIRD

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: S/E
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 OLDSMOBILE CUTLASS CALAIS

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1989 PONTIAC FIREBIRD

    • Liter: 5.0
    • SubModel: TRANS AM GTA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1987 CHEVROLET EL CAMINO

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982 PONTIAC FIREBIRD

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: S/E
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982 PONTIAC FIREBIRD

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1981 CHEVROLET EL CAMINO

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube
    • Liter: 5.0
    • SubModel: ROYAL KNIGHT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1981-1986 CHEVROLET EL CAMINO

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube
    • Liter: 5.0
    • SubModel: CONQUISTA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 OLDSMOBILE CUTLASS

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: LS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983-1984 PONTIAC FIREBIRD

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: S/E
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1985 PONTIAC FIREBIRD

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1987 CHEVROLET EL CAMINO

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube
    • Liter: 5.0
    • SubModel: SS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 OLDSMOBILE CUTLASS

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1980 OLDSMOBILE CUTLASS SALON

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 OLDSMOBILE CUTLASS

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: VISTA CRUISER
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1985-1989 PONTIAC FIREBIRD

    • Liter: 5.0
    • SubModel: TRANS AM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 OLDSMOBILE CUTLASS CRUISER

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983-1984 PONTIAC FIREBIRD

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1985-1986 OLDSMOBILE CUTLASS

    • EngineType: ALL
    • SubModel: ALL

    1987 OLDSMOBILE CUTLASS

    • EngineType: ALL
    • SubModel: SALON

    1978-1980 OLDSMOBILE CUTLASS SALON

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983 OLDSMOBILE CUTLASS CRUISER

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1985-1987 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 OLDSMOBILE CUTLASS SUPREME

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 OLDSMOBILE CUTLASS CALAIS

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1986-1987 PONTIAC FIREBIRD

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 CHEVROLET EL CAMINO

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube
    • Liter: 5.0
    • SubModel: CONQUISTA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 OLDSMOBILE CUTLASS

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 OLDSMOBILE CUTLASS CRUISER

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 OLDSMOBILE CUTLASS SALON

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • SubModel: 442
    • EngineType: ALL

    1984 OLDSMOBILE CUTLASS CALAIS

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982 OLDSMOBILE CUTLASS CRUISER

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 OLDSMOBILE CUTLASS

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: VISTA CRUISER BROUGHAM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982-1983 PONTIAC FIREBIRD

    • Liter: 5.0
    • SubModel: TRANS AM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1984-1986 PONTIAC FIREBIRD

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • Aspiration: N
    • SubModel: TRANS AM
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1984-1986 PONTIAC FIREBIRD

    • Liter: 5.0
    • Aspiration: N
    • SubModel: TRANS AM
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987 PONTIAC FIREBIRD

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: TRANS AM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982-1983 PONTIAC FIREBIRD

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Fitting for Exh.Temp.Sensor Welded. If Needed; Hole Can Be Drilled In Tube~Will Fit Dart Sportmans II Angle Plug Heads~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange
    • Liter: 5.0
    • SubModel: TRANS AM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.