Round Glasspack Performance Exhaust Muffler [Aluminized]
InfoVehicle Info Needed
MAGNAFLOWPART NUMBER: 642-18125

Round Glasspack Performance Exhaust Muffler [Aluminized]

$5200
ShippingShips on Oct 13, 2026
Lowest PriceLowest Price Guarantee

3.5" Round
Round Glasspack Performance Exhaust Muffler
  • 2.25 in. Center/Center
  • 3.5x18 in. Body
  • Reversible Design
  • Straight-Through Perforated Core
  • Aluminized Steel
  • Aluminized
  • Sold Individually

    The Round Glasspack Performance Exhaust Muffler delivers free-flowing performance and an aggressive exhaust tone, built around a straight-through perforated core for minimal restriction.

    MagnaFlow 18125 Features:

    • Dyno Proven.
    • Anti-corrosive aluminized body.
    • Straight-through performance design.
  • Part TypeMuffler
    BrandMAGNAFLOW
    Package Height4.6
    Package Width4.9
    Package Length26.8
    Weight5.66 PG
    Part CategoryPerformance Parts
    Exhaust Tip Quantity0
    Outlet QuantityOne
    Inlet LocationCenter
    Inlet PositionCenter
    Core Diameter2.25 in.
    Inlet TypeSingle Center Inlet
    Inlet Size (In.)2.25
    Outlet StyleStandard, without tip
    Muffler FinishAluminized
    Body Length18 in (457.2 mm)
    Muffler Count1
    Inlet Diameter2.25 in (57.15 mm)
    Inlet QuantityOne
    Muffler MaterialSteel
    ReversibleYes
    Outlet Size2.25 in (57.2 mm)
    Hanger IncludedNo
    PositionN/A
    Inlet Connection TypePipe Connection
    Outlet Diameter2.25 in (57.2 mm)
    QuantitySold individually
    Overall Length22 in (558.8 mm)
    MaterialAluminized Steel
    Case Length18 in (457.2 mm)
    Internal ConstructionGlasspack
    Case ShapeRound
    Body Width3.5 in (88.9 mm)
    Muffler ConfigurationCenter/Center
    Outlet LocationCenter
    Body Height3.5 in (88.9 mm)
    Outlet TypeSingle Center Outlet
    Case Outside Diameter3.5 in (88.9 mm)
    Part FitmentUniversal
    Outlet PositionCenter
    Vendor Part Number18125
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

    Items You Need

    ITEM YOU MAY ALSO CONSIDER

    Glasspack Muffler [2.250 in. Inlet/Outlet]

    JEGS

    Glasspack Muffler [2.250 in. Inlet/Outlet]

    Part Number : 555-30284
    $2099$26.99
    You Save$6.00
    Thrush Magnum Glasspack Muffler 2.25 in. 23 in. Overall [Powdercoated]

    DYNOMAX

    Thrush Magnum Glasspack Muffler 2.25 in. 23 in. Overall [Powdercoated]

    Part Number : 289-24069
    $4319$47.99
    You Save$4.80
    Thrush Magnum Glasspack Muffler 2.5 in. 28 in. Overall [Powdercoated]

    DYNOMAX

    Thrush Magnum Glasspack Muffler 2.5 in. 28 in. Overall [Powdercoated]

    Part Number : 289-24214
    $3149$34.99
    You Save$3.50
    Thrush Rattler Muffler Universal

    DYNOMAX

    Thrush Rattler Muffler Universal

    Part Number : 289-24253
    $4983
    Red Hots Glass Pack Muffler 2.25" Inlet/Outlet

    FLOWTECH

    Red Hots Glass Pack Muffler 2.25" Inlet/Outlet

    Part Number : 387-50251
    $3257$36.19
    You Save$3.62
    Glass Pack Muffler Exhaust System Diameter: 2.25"

    HEDMAN

    Glass Pack Muffler Exhaust System Diameter: 2.25"

    Part Number : 500-25007
    $7599
    Glass Pack Muffler Exhaust System Diameter: 2.5"

    HEDMAN

    Glass Pack Muffler Exhaust System Diameter: 2.5"

    Part Number : 500-25013
    $8399
    Glasspack Muffler 2.25" Straight Inlet/Outlet

    CHERRY BOMB

    Glasspack Muffler 2.25" Straight Inlet/Outlet

    Part Number : 545-87510CB
    $2969$32.99
    You Save$3.30
    Glasspack Muffler 2.5" Straight Inlet/Outlet

    CHERRY BOMB

    Glasspack Muffler 2.5" Straight Inlet/Outlet

    Part Number : 545-87516CB
    $3509$38.99
    You Save$3.90
    Glasspack Muffler 2.5" Straight Inlet/Outlet

    CHERRY BOMB

    Glasspack Muffler 2.5" Straight Inlet/Outlet

    Part Number : 545-87529CB
    $3353$37.26
    You Save$3.73
    M-80 Muffler Inlet/Outlet: 2.25"

    CHERRY BOMB

    M-80 Muffler Inlet/Outlet: 2.25"

    Part Number : 545-M80225
    $4573$50.81
    You Save$5.08
    M-80 Muffler Inlet/Outlet: 2.50"

    CHERRY BOMB

    M-80 Muffler Inlet/Outlet: 2.50"

    Part Number : 545-M80250
    $4574$50.82
    You Save$5.08
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning
    Your Cart

    Your shopping cart is empty!