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Walker SoundFX Direct Fit Exhaust Muffler for 1978-1987 Chevrolet Monte Carlo, El Camino, Pontiac Grand Prix [Aluminized]
InfoVehicle Info Needed
DYNOMAXPART NUMBER: 289-18275

Walker SoundFX Direct Fit Exhaust Muffler for 1978-1987 Chevrolet Monte Carlo, El Camino, Pontiac Grand Prix [Aluminized]

$4999
ShippingShips on 11/17/2026
Lowest PriceLowest Price Guarantee

SoundFX Direct Fit Exhaust Muffler
  • Fits 1978-1987 Chevrolet Monte Carlo, El Camino, Pontiac Grand Prix, Grand LeMans, Buick Regal
  • Inlet 2 in.
  • Outlet 2 in.
  • 23.75 in. Length
  • Steel
  • Aluminized Finish
  • Sold Individually

    The Walker 18275 is a soundfx direct fit exhaust muffler for universal applications, built from steel with an aluminized finish. It is engineered as a direct-fit replacement to restore proper exhaust system performance.

    Walker 18275 Features:

    • Material: Steel
    • Finish: Aluminized
    • Inlet Diameter: 2 in.
    • Outlet Diameter: 2 in.
    • Length: 23.75 in.
    • Inlet Type: Pipe Connection
    • Outlet Type: Pipe Connection
    • Grade Type: Premium

    Vehicle Fitment:

    • Chevrolet Monte Carlo (1978-1987)
    • Pontiac Grand Prix (1978-1987)
    • Chevrolet El Camino (1978-1984)
    • Pontiac Grand LeMans (1978-1983)
    • Buick Regal (1978-1987)
    • Oldsmobile Cutlass Supreme (1978-1987)
    • Chevrolet Malibu (1978-1983)
    • Pontiac LeMans (1978-1981)
    • Oldsmobile Cutlass Calais (1978-1984)
    • Buick Century (1978-1981)
    • GMC Caballero (1978-1984)
    • Oldsmobile Cutlass (1978-1981)
    • Oldsmobile Cutlass Salon (1978-1987)
    • Oldsmobile Cutlass Cruiser (1980-1983)
    • Pontiac Bonneville (1980-1983)
    • Dodge Coronet (1972-1974)

    • Upgrade your factory exhaust with a Walker Sound FX muffler. Mufflers feature long life due to their quality materials and construction. Ideal for replacing rusty or worn-out mufflers.

    Features:

    • Reinforced bracketed heads help improve structural support and stability.
    • Mechanical interior joints help prevent spot weld breakage and flow tube buckling.
    • Spun-locked heads help resist backfire and exhaust gas leakage
    Part TypeMuffler
    Product LineWalker Sound FX Mufflers
    BrandDYNOMAX
    Package Height5.0
    Package Width9.75 in (247.65 mm)
    Package Length24.75
    Weight11.0 PG
    Part CategoryPerformance Parts
    Outlet Diameter2 in.
    Inlet Diameter2 in.
    QuantitySold Individually
    Overall Length23.75 in.
    MaterialSteel
    Part FitmentUniversal
    FinishAluminized
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning