13288 XL Oval Multi-Chamber Performance Exhaust Muffler
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MAGNAFLOWPART NUMBER: 642-13288

13288 XL Oval Multi-Chamber Performance Exhaust Muffler

$16200
ShippingShips on 09/09/2026
Lowest PriceLowest Price Guarantee

4" x 9" Oval Case
Multi-Chamber Performance Muffler
  • 3/2.5 in. Center/Dual
  • 4x14x9 in. Body
  • Stainless Steel

    The MagnaFlow XL 4 X 9in. Oval Multi-Chamber Performance Exhaust Muffler 13288 features a straight-through, weight-optimized reversible design with a perforated stainless steel core featuring baffles and tuning gates, enabling it to deliver the powerful signature sound and dyno-proven performance that's made MagnaFlow a household name. Muffler 13288's oval-shaped, 4x9x14in. body and universal 3/2.5in. diameter inlet/outlet layout enables flexible installation options to match the spacing requirements of your vehicle. Professional installation is highly recommended. 13288 is produced using advanced CNC precision robotic manufacturing techniques and features durable, corrosion resistant stainless-steel construction, all backed by MagnaFlow's limited lifetime warranty.

    Magnaflow 13288 XL Oval Multi-Chamber Performance Exhaust Muffler Features:

    • Durable corrosion-resistant stainless steel construction
    • CNC precision robotic manufacturing techniques
    • Superior flow & performance
    • MagnaFlow's XL Mufflers consist of three chambers that combine large diameter perforated tubing and strategically placed sound baffles. This process reduces unwanted resonance and creates horsepower. Each XL muffler is designed with a large diameter perforated core that eliminates the flow restrictions of louvered style cores.
    Part TypeMuffler
    Product LineMagnaflow XL 3-Chamber Mufflers
    BrandMAGNAFLOW
    Package Height4.5
    Package Width9.7
    Package Length21.2
    Weight10.73 PG
    Part CategoryPerformance Parts
    Outlet QuantityTwo
    Inlet LocationCenter
    Inlet PositionFront
    Inlet TypeSingle Center Inlet
    Inlet Size (In.)3
    Outlet StyleStandard, without tip
    Muffler FinishNatural
    Body Length14 in (355.6 mm)
    Muffler Count1
    Inlet Diameter3 in (76.2 mm)
    Inlet QuantityOne
    Muffler MaterialStainless steel
    Outlet Size2.5 in (63.5 mm)
    PositionN/A
    Inlet Connection TypePipe Connection
    Outlet Diameter2.5 in (63.5 mm)
    QuantitySold individually
    Overall Length20 in (508 mm)
    MaterialStainless Steel
    Case Length14 in (355.6 mm)
    Internal ConstructionPerforated tube
    Case ShapeOval
    Body Width9 in (228.6 mm)
    Muffler ConfigurationCenter/Dual
    Outlet LocationOffset
    Body Height4 in (101.6 mm)
    Outlet TypeDual Outlet
    Part FitmentSemi Universal
    Outlet PositionRear
    Vendor Part Number13288
    Package Qty1
    Package TypeEA
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