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Flowmaster 42582

80 Series Crossflow Muffler Dual In/Dual Out: 2.5"



Flowmaster 42582

Part Number: 389-42582

80 Series Crossflow Muffler
  • Dual In/Dual Out: 2.5"
  • Case: 18" L (4" Thick)
  • Overall: 24" L x 9.75" W
  • Aluminized Steel
  • $144.80

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    Flowmaster 42582 Details

    Dual In/Dual Out

    Also fits 1962-74 Chevy II/Nova

    Specifications:

    Body Length (in.)
    18
    Inlet Size (in.)
    2.5
    Outlet Size (in.)
    2.5
    Overall Length (in.)
    24 (2 ft.)
    Body Height (in.)
    4
    Body Width (in.)
    9.75
    Width (in.)
    9.75
    Material
    Aluminized Steel
    Inlet Type
    Dual Inlet
    Outlet Type
    Dual Opposite End Outlet
    Shape
    Oval
    Position
    N/A
    Inlet Position
    Front
    Outlet Position
    Offset
    Body Length (in.)
    18.0
    Inlet Diameter (in.)
    2.5
    Case Length (in.)
    18
    Case Shape
    Oval
    Inlet Quantity
    Two
    Internal Construction
    Chambered
    Muffler Finish
    Aluminized
    Muffler Material
    Steel
    Outlet Style
    Standard, without tip
    Quantity
    Sold individually
    Outlet Quantity
    Two
    Thickness (in.)
    4
    Inlet Location
    Center
    Outlet Location
    Offset
    Outlet Diameter (in.)
    2.5
    Manufacturer's Part Number:
    42582

    Flowmaster's 80 Series Crossflow Mufflers fit transversely behind the rear axle and in front of the fuel tank, making them ideal OE replacements yet with enhanced performance and sound.



    Features
  • For true dual exhaust output when only one exhaust system will fit
  • Aggressive exterior sound with noticeable interior resonance
  • Increased power, torque, and ground clearance
  • Aluminized steel or 409S stainless steel (stainless has limited lifetime warranty)
  • MIG welded for maximum durability

  • Does this fit your vehicle?

    Narrow Results

    1967 PONTIAC FIREBIRD

    • Liter: 3.8
    • SubModel: SPRINT
    • CUI: 230
    • EngineType: L6

    1970-1974 PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: TRANS AM

    1987 BUICK REGAL

    • EngineType: ALL
    • SubModel: GNX

    1974 CHEVROLET CAMARO

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8

    1969 CHEVROLET CAMARO

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1970-1971 CHEVROLET NOVA

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

    1967-1969 CHEVROLET CAMARO

    • Liter: 5.3
    • EngineType: V8
    • SubModel: BASE

    1967 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28

    1972 CHEVROLET CAMARO

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

    1967-1969 CHEVROLET CAMARO

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

    1973-1974 CHEVROLET NOVA

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8

    1974 CHEVROLET NOVA

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8

    1972 CHEVROLET CAMARO

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8

    1968-1969 CHEVROLET CAMARO

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE

    1970-1974 PONTIAC FIREBIRD

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

    1970 CHEVROLET NOVA

    • Liter: 6.5
    • EngineType: V8
    • SubModel: BASE

    1974 CHEVROLET CAMARO

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

    1972-1974 CHEVROLET NOVA

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8

    1974 CHEVROLET NOVA

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1970-1974 PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: FORMULA

    1972-1974 CHEVROLET NOVA

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

    1972 CHEVROLET CAMARO

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1968 CHEVROLET CHEVY II

    • EngineType: V8
    • SubModel: NOVA

    1972-1973 CHEVROLET CAMARO

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1973 CHEVROLET CAMARO

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

    1973-1974 CHEVROLET NOVA

    • CC: 5736
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8

    1969 CHEVROLET CAMARO

    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8

    1971-1973 PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1968 CHEVROLET CAMARO

    • Liter: 5.4
    • EngineType: V8
    • SubModel: RS

    1973 CHEVROLET NOVA

    • Liter: 5.0
    • EngineType: V8
    • SubModel: CUSTOM

    1967-1969 CHEVROLET CAMARO

    • Liter: 6.5
    • EngineType: V8
    • SubModel: BASE

    1972 CHEVROLET CAMARO

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1973-1974 CHEVROLET NOVA

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

    1972 CHEVROLET CAMARO

    • Liter: 5.7
    • Aspiration: N
    • SubModel: Z28
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1973 CHEVROLET CAMARO

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8

    1970 CHEVROLET NOVA

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

    1972 CHEVROLET CAMARO

    • CC: 6588
    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8

    1967-1972 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: SS

    1974 CHEVROLET NOVA

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1968-1969 PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: ALL

    1974 PONTIAC FIREBIRD TRANS AM

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

    1968 CHEVROLET CAMARO

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1970-1974 PONTIAC FIREBIRD

    • CC: 7456
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8

    1970-1971 CHEVROLET CAMARO

    • EngineType: V8
    • SubModel: BASE

    1972 CHEVROLET CAMARO

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: Z28
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1970-1974 PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: ESPRIT

    1968 CHEVROLET CAMARO

    • Liter: 5.3
    • EngineType: V8
    • SubModel: RS

    1973 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: LT

    1985-1987 BUICK REGAL

    • EngineType: ALL
    • SubModel: GRAND NATIONAL

    1971-1972 CHEVROLET NOVA

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1967 PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: 400

    1970-1971 CHEVROLET NOVA

    • CC: 7439
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1969-1973 CHEVROLET CAMARO

    • EngineType: V8
    • SubModel: RS

    1970-1974 PONTIAC FIREBIRD

    • EngineType: L6
    • SubModel: BASE

    1974 CHEVROLET CAMARO

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1973-1974 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28

    1972-1974 CHEVROLET NOVA

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

    1967 PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: BASE

    1967 CHEVROLET CAMARO

    • EngineType: V8
    • SubModel: RS

    1973-1974 CHEVROLET NOVA

    • CC: 5737
    • Liter: 5.7
    • SubModel: CUSTOM
    • EngineType: V8

    1973 CHEVROLET CAMARO

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1972-1974 CHEVROLET NOVA

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1967 PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: HO

    1972 CHEVROLET CAMARO

    • Liter: 6.6
    • EngineType: V8
    • SubModel: Z28

    1972-1973 CHEVROLET CAMARO

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

    1970-1973 CHEVROLET NOVA

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1971-1973 PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1972 CHEVROLET CAMARO

    • CC: 5737
    • Liter: 5.7
    • SubModel: Z28
    • EngineType: V8

    1974 CHEVROLET CAMARO

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

    1974-1975 PONTIAC FIREBIRD

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

    1969 CHEVROLET NOVA

    • EngineType: V8
    • SubModel: BASE

    1970-1971 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28

    1967 CHEVROLET CAMARO

    • Liter: 4.9
    • EngineType: V8
    • SubModel: BASE

    1970 PONTIAC FIREBIRD

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