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Original 40 Series Chambered Muffler, Center 2.25 in. In, Offset 2.25 in. Out
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FLOWMASTERPART NUMBER: 389-42442

Original 40 Series Chambered Muffler, Center 2.25 in. In, Offset 2.25 in. Out

$10195
2 left in stock
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Center In/Offset Out
Original 40 Series Chambered Performance Muffler
  • Body Size: 4 in. x 13 in. x 9.5 in.
  • Inlet: Center 2.25 in.
  • Outlet: Offset 2.25 in.
  • Body Material: Aluminized Steel
  • Sound Level: Aggressive

    This chambered muffler is built from aluminized steel for long-term durability in universal-fit exhaust installations, tuned to deliver a aggressive exhaust note without the drone common to straight-through designs.

    Technical Specifications:

    • Muffler Series: Original 40 Series.
    • Muffler Type: Chambered.
    • Body Dimensions (H x L x W): 4 in. x 13 in. x 9.5 in.
    • Inlet Inside Diameter: 2.25 in. (Center).
    • Outlet Inside Diameter: 2.25 in. (Offset).
    • Body Material: Aluminized Steel.
    • Overall Length: 19 in.
    • Sound Level: Aggressive.
    • Fitment Type: Universal (some adaptation to existing piping may be required).

    Emissions Note:

    This part is legal for sale or uses on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

  • The Muffler That Started It All!

    Flowmaster's 40 Series Original Mufflers are designed for street/strip and off-road use. These aggressive sounding mufflers deliver a powerful, classic "Flowmaster Sound" from both inside and outside of the vehicle. Give your exhaust system a great muscle car tone with one of these fully MIG welded 40 Series original mufflers.

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    Features:

    • The original high-performance muffler
    • Aggressive sound
    • Constructed from stainless steel or 16-gauge aluminized steel
    • Fully MIG welded


    Part TypeMuffler
    Product LineFlowmaster 40 Series Original Mufflers
    BrandFLOWMASTER
    Package Height4.4
    Package Width10.2
    Package Length20.0
    Weight10.1 PG
    Part CategoryExhaust Systems & Components
    ShapeOval
    Exhaust Tip Quantity0
    Outlet Quantity1
    Inlet LocationCenter
    Muffler TypeChambered
    Inlet PositionDual
    Inlet TypeWeld-On
    Inlet Size (In.)2.5
    Heat Shield AttachedNo
    Body Length13 in.
    Muffler Count1
    Inlet Outside Diameter2.38 in.
    Inlet Diameter2.25 in.
    Clamps IncludedNo
    Inlet Quantity1
    Sound LevelAggressive
    FinishHigh-Temperature Paint
    Outlet Outside Diameter2.38 in.
    ReversibleNo
    Universal Or Specific FitUniversal
    Outlet Size2.5 in (63.5 mm)
    Hanger IncludedNo
    Inlet Connection TypePipe Connection
    ColorBlack
    Muffler SeriesOriginal 40 Series
    TunableNo
    Overall Length19 in.
    MaterialAluminized Steel
    Body Width9.50 in.
    Outlet Inside Diameter2.25 in.
    Body MaterialAluminized Steel
    Inlet Inside Diameter2.25 in.
    Outlet LocationOffset
    FitmentUniversal
    Body Height4 in.
    Outlet TypeSingle
    Part FitmentUniversal Fit
    Outlet PositionDual Rear
    Vendor Part Number42442
    Package Qty1
    Package TypeEA
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