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Walker Quiet-Flow Stainless Steel for 2001-2004 Nissan Pathfinder, INFINITI QX4 w/3.5L [Aluminized]
InfoVehicle Info Needed
DYNOMAXPART NUMBER: 289-54378

Walker Quiet-Flow Stainless Steel for 2001-2004 Nissan Pathfinder, INFINITI QX4 w/3.5L [Aluminized]

$7672
ShippingShips on 11/18/2026
Lowest PriceLowest Price Guarantee

Quiet-Flow Stainless Steel
  • 2001-2004 Nissan Pathfinder, INFINITI QX4
  • 3.5L Engine
  • Inlet 2.1 in.
  • Outlet 2.25 in.
  • 46.5 in. Length
  • Stainless Steel
  • Aluminized Finish
  • Sold Individually

    The Walker 54378 is a quiet-flow stainless steel for 2001-2004 Nissan Pathfinder, INFINITI QX4 equipped with the 3.5L engine option, built from stainless steel with an aluminized finish. It is engineered as a direct-fit replacement to restore proper exhaust system performance.

    Walker 54378 Features:

    • Material: Stainless Steel
    • Finish: Aluminized
    • Inlet Diameter: 2.1 in.
    • Outlet Diameter: 2.25 in.
    • Length: 46.5 in.
    • Inlet Type: 2 Bolt Welded Flange
    • Outlet Type: Pipe Connection
    • Grade Type: Premium
    • Direct-fit application for 2001-2004 Nissan Pathfinder, INFINITI QX4
    • Part TypeMuffler
    BrandDYNOMAX
    Package Height5.5
    Package Width12.0
    Package Length42.0
    Weight24.0 PG
    Part CategoryPerformance Parts
    Outlet Diameter2.25 in.
    Inlet Diameter2.1 in.
    QuantitySold Individually
    Overall Length46.5 in.
    MaterialStainless Steel
    Part FitmentDirect Fit
    FinishAluminized
    Inlet Type2 Bolt Welded Flange
    Vendor Part Number54378
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning