12771 Round Straight-Through Performance Exhaust Muffler
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MAGNAFLOWPART NUMBER: 642-12771

12771 Round Straight-Through Performance Exhaust Muffler

$20300
ShippingShips on 09/08/2026
Lowest PriceLowest Price Guarantee

Satin Finish
Straight-Through Performance Muffler
  • 4 in. Center/Center
  • 7x20x7 in. Body
  • Stainless Steel

    The MagnaFlow 7 X 7in. Round Straight-Through Performance Exhaust Muffler 12771 is engineered to enhance your ride with a healthy helping of our signature exhaust sound and dyno-proven performance thanks to its free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill. The reversible, universal 4/4in. diameter inlet/outlet Straight-Through layout allows you to install it in whatever orientation and configuration you see fit. However, professional installation is highly recommended. Muffler 12771s weight-optimized 7x7x20in. oval-shaped body features a satin finish that elevates the overall aesthetics of your current exhaust setup. 12771 is made of durable, corrosion resistant stainless steel and produced using cutting-edge CNC precision robotic manufacturing techniques, all backed by MagnaFlow's limited lifetime construction warranty.

    Magnaflow 12771 Round Straight-Through Performance Exhaust Muffler Features:

    • Delivers a Smooth, Deep Tone
    • Mufflers are Bi-Directional
    • 100% Stainless Steel
  • Part TypeMuffler
    BrandMAGNAFLOW
    Package Height7.9
    Package Width8.0
    Package Length32.2
    Weight16.55 PG
    Part CategoryPerformance Parts
    Outlet QuantityOne
    Inlet LocationCenter
    Inlet PositionFront
    Inlet TypeSingle Center Inlet
    Inlet Size (In.)4
    Outlet StyleStandard, without tip
    Muffler FinishNatural
    Body Length20 in (508 mm)
    Muffler Count1
    Inlet Diameter4 in (101.6 mm)
    Inlet QuantityOne
    Muffler MaterialStainless steel
    Outlet Size4 in (101.6 mm)
    PositionN/A
    Inlet Connection TypePipe Connection
    Outlet Diameter4 in (101.6 mm)
    QuantitySold individually
    Overall Length27 in (685.8 mm)
    Material409 Stainless Steel
    Case Length20 in (508 mm)
    Internal ConstructionPerforated stainless tube with packing
    Case ShapeRound
    Body Width7 in (177.8 mm)
    Muffler ConfigurationCenter/Center
    Outlet LocationCenter
    Body Height7 in (177.8 mm)
    Outlet TypeSingle Center Outlet
    Case Outside Diameter7 in (177.8 mm)
    Part FitmentUniversal
    Outlet PositionRear
    Vendor Part Number12771
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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