12578 Oval Straight-Through Performance Exhaust Muffler
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MAGNAFLOWPART NUMBER: 642-12578

12578 Oval Straight-Through Performance Exhaust Muffler

$18600
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Offset In / Offset Out
Straight-Through Performance Muffler
  • 3 in. Offset/Offset
  • 5x22x11 in. Body
  • Stainless Steel

    The MagnaFlow 5 X 11in. Oval Straight-Through Performance Exhaust Muffler 12578 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 3/3in. 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 12578s weight-optimized 5x11x22in. oval-shaped body features a satin finish that elevates the overall aesthetics of your current exhaust setup. 12578 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 12578 Oval Straight-Through Performance Exhaust Muffler Features:

    • Delivers a Smooth, Deep Tone
    • Mufflers are Bi-Directional
    • 100% Stainless Steel
  • Magnaflow Performance Satin Stainless Mufflers are the perfect choice if you are looking for performance, quality and sound. Magnaflow uses a straight through perforated core for low back pressure that improves the horsepower output of your engine. By using 16-gauge stainless steel for the body, end caps, and core you get long life for your money. By densely packing in the stainless steel mesh and high density high temperature resistant acoustical suppression material you get that signature Magnaflow rumble that is built to last.

    Show MoreFeatures:
    • 16-Gauge All Stainless Steel Design
    • Fully Welded Lap Joints
    • One Piece High Flow Core
    • Stainless Mesh
    • Densely Packed Acoustical Material

    Part TypeMuffler
    Product LineMagnaflow Satin Stainless Steel Mufflers
    BrandMAGNAFLOW
    Package Height6.2
    Package Width13.5
    Package Length29.2
    Weight20.065 PG
    Part CategoryPerformance Parts
    Outlet QuantityOne
    Inlet LocationOffset
    Inlet PositionFront
    Inlet TypeSingle Offset Inlet
    Inlet Size (In.)3
    Outlet StyleStandard, without tip
    Muffler FinishNatural
    Body Length22 in (558.8 mm)
    Muffler Count1
    Inlet Diameter3 in (76.2 mm)
    Inlet QuantityOne
    Muffler MaterialStainless steel
    Outlet Size3 in (76.2 mm)
    PositionN/A
    Inlet Connection TypePipe Connection
    Outlet Diameter3 in (76.2 mm)
    QuantitySold individually
    Overall Length28 in (711.2 mm)
    Material409 Stainless Steel
    Case Length22 in (558.8 mm)
    Internal ConstructionPerforated stainless tube with packing
    Case ShapeOval
    Body Width11 in (279.4 mm)
    Muffler ConfigurationOffset/Offset
    Outlet LocationOffset
    Body Height5 in (127 mm)
    Outlet TypeSingle Offset Outlet
    Part FitmentUniversal
    Outlet PositionRear
    Vendor Part Number12578
    Package Qty1
    Package TypeEA
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