Walker
SoundFX Direct Fit

Walker 18447 Exhaust Muffler

Brand Walker 18447
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Inlet Inside Diameter 2
Body Width 11
Inlet Quantity 1
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 29.25
Body Height 5.5
Body Length 19
Body Material Steel
Finish Aluminized
Inlet 1 Inside Diameter 2
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 3.75
Inlet Type Pipe connection
Muffler Type Combination
Outlet 1 Outside Diameter 2
Outlet 1 Type Tip
Outlet Configuration Offset
Outlet Outside Diameter 2
Outlet Type Tip
Product line SoundFX Direct Fit
Fits Buick and Oldsmobile · 13 vehicles

Direct-fit design. Installs as a specific replacement with no modifications needed.

Aluminized steel. Helps resist corrosion for longer service life than low-carbon steel.

Mechanical interior joints. Spun-locked heads add durability and a quality appearance.

Cross-references AP Exhaust 700143 for the same application. See all 1.

$71.58Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $71.58
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker SoundFX Direct Fit Muffler

Walker SoundFX Direct Fit muffler Part Number 18447 is a specific-fit exhaust muffler for select Buick Century and Oldsmobile Cutlass Ciera applications. It uses 100% aluminized steel construction to help extend service life, while the direct-fit layout supports a clean replacement on the original exhaust path.

Key Features

  • Specific-fit exhaust muffler for direct replacement use
  • Oval body shape with a combination muffler design
  • 100% aluminized steel body for improved corrosion resistance versus low-carbon steel
  • Mechanical interior joints and spun-locked heads for added durability
  • Offset inlet and offset outlet configuration
  • 2-inch inlet and 2-inch outlet sizing
  • Walker SoundFX Direct Fit line for OE-style exhaust service

Product Details

Walker 18447 is built for drivers replacing a worn or damaged muffler on 1994-1996 Buick Century and 1994-1996 Oldsmobile Cutlass Ciera models. The aluminized steel finish helps the muffler hold up in everyday exhaust service, while the oval body and direct-fit dimensions support a straightforward replacement on the intended vehicle applications. This part cross-references AP Exhaust 700143 for the same application.

The SoundFX Direct Fit product line focuses on replacement mufflers that match the vehicle’s exhaust layout and deliver a quality appearance with controlled acoustics. For Buick Century and Oldsmobile Cutlass Ciera owners, Part Number 18447 provides a practical OE-style solution for restoring exhaust function without changing the original routing.

Common Issues This Muffler Can Address

  • Exhaust noise from a rusted or perforated muffler
  • Rattling or weakened muffler internals
  • Corrosion-related exhaust leakage at the muffler body
  • Poor exhaust tone after muffler failure
  • Replacement needs on aging 1994-1996 Buick Century and Oldsmobile Cutlass Ciera exhaust systems

Installation Notes and Tips

Verify inlet and outlet sizing, offset configuration, and overall dimensions before installation. This muffler uses pipe-connection inlet and outlet ends, so proper exhaust alignment is important for a secure replacement. Confirm vehicle-specific fitment for 1994-1996 Buick Century and 1994-1996 Oldsmobile Cutlass Ciera before ordering.

Compatible With 1994-1996 Buick Century and 1994-1996 Oldsmobile Cutlass Ciera exhaust applications. Fits 1994-1996 Buick Century, N/A. Fits 1994-1996 Oldsmobile Cutlass Ciera, N/A.

Quality Assurance

Walker SoundFX Direct Fit mufflers are built with aluminized steel, mechanical interior joints, and spun-locked heads to support durable exhaust service. Part Number 18447 is engineered as a direct-fit replacement for the listed vehicle applications.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
1996BuickCentury—Sedan2.2LL4N/ASoundFX Direct Fit
1996BuickCentury—Sedan3.1LV6N/ASoundFX Direct Fit
1996OldsmobileCutlass Ciera—Sedan3.1LV6N/ASoundFX Direct Fit
1996OldsmobileCutlass Ciera—Sedan2.2LL4N/ASoundFX Direct Fit
1995BuickCentury—Sedan2.2LL4N/ASoundFX Direct Fit
1995BuickCentury—Sedan3.1LV6N/ASoundFX Direct Fit
1995OldsmobileCutlass Ciera—Sedan2.2LL4N/ASoundFX Direct Fit
1995OldsmobileCutlass Ciera—Sedan3.1LV6N/ASoundFX Direct Fit
1994BuickCentury—Sedan2.2LL4N/ASoundFX Direct Fit
1994BuickCentury—Sedan3.1LV6N/ASoundFX Direct Fit
1994OldsmobileCutlass CieraSSedan3.1LV6N/ASoundFX Direct Fit
1994OldsmobileCutlass CieraSSedan2.2LL4N/ASoundFX Direct Fit
1994OldsmobileCutlass CieraBaseSedan2.2LL4N/ASoundFX Direct Fit
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 700143