Walker 18828 Exhaust Muffler - Left
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Walker
 SoundFX Direct Fit

Walker 18828 Exhaust Muffler - Left

Brand Walker 18828
Position Left
Inlet Outside Diameter 2
Outlet Outside Diameter 2.5
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Body Width 11
Inlet Quantity 1
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 39.75
Body Height 5.5
Body Length 20
Body Material Steel
Finish Aluminized
Inlet 1 Outside Diameter 2
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Type Pipe connection
Muffler Type Combination
Outlet 1 Outside Diameter 2.5
Outlet 1 Type Tip
Outlet Configuration Offset
Outlet Type Tip
Product line SoundFX Direct Fit
Fits Cadillac · 8 vehicles

Direct-fit design. Installs as a specific-fit muffler with no guesswork.

Aluminized steel. Helps extend service life compared with low-carbon steel.

Mechanical interior joints. Spun-locked heads add durability for dependable performance.

Cross-references AP Exhaust 700185 and Remy 14741 for the same application. See all 2.

$83.49Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $83.49
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Walker SoundFX Direct Fit Muffler for Cadillac DeVille

Walker SoundFX Direct Fit muffler Part Number 18828 is a specific-fit exhaust muffler built for 1996-1999 Cadillac DeVille left-side applications. It uses an oval steel body with an aluminized finish to support longer service life than low-carbon steel while maintaining a clean OE-style appearance and controlled exhaust acoustics.

Key Features

  • Specific-fit exhaust muffler for 1996-1999 Cadillac DeVille, left
  • 2-inch inlet and 2.5-inch outlet with offset pipe connection layout
  • Oval muffler body with 11-inch body width and 5.5-inch body height
  • Aluminized steel construction for improved corrosion resistance
  • Mechanical interior joints and spun-locked heads for added durability
  • Combination muffler design for balanced exhaust flow and sound control
  • Walker SoundFX Direct Fit line focuses on OE-style fit and acoustics

Product Details

Walker SoundFX Direct Fit Part Number 18828 is engineered for the left side of the Cadillac DeVille from 1996 through 1999. The muffler features a 39.75-inch overall length, a 20-inch body length, and offset inlet and outlet configurations to match the specified application. Its aluminized steel body is selected for service life and appearance, while the internal construction supports durability under normal exhaust system conditions. This part cross-references AP Exhaust 700185 for the same application.

Common Exhaust Issues It Can Address

  • Excessive exhaust noise from a worn or rusted muffler
  • Corrosion-related muffler failure on the left-side exhaust path
  • Reduced exhaust system integrity caused by damaged internal muffler components
  • Poor fitment when replacing a direct-fit Cadillac DeVille muffler
  • Visible deterioration of the muffler body or outlet tip area

Installation Notes

Fits 1996-1999 Cadillac DeVille, left. Verify inlet and outlet diameters, offset configuration, and overall dimensions before installation. If the vehicle uses a welded assembly, replace all required related exhaust parts during service to maintain proper alignment and sealing. Part Number 18828 is intended for direct-fit replacement on the listed application.

Quality Assurance

Walker SoundFX Direct Fit mufflers are built with 100% aluminized steel, mechanical interior joints, and spun-locked heads to support durability and consistent fit. The SoundFX Direct Fit product line is positioned for replacement applications where OE-style appearance and controlled exhaust sound are important.

Related reading

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
1999CadillacDeVilleConcours4.6LV8LeftIf welded assembly, replace all required parts; SoundFX Direct Fit
1999CadillacDeVilleBase4.6LV8LeftIf welded assembly, replace all required parts; SoundFX Direct Fit
1998CadillacDeVilleConcours4.6LV8LeftIf welded assembly, replace all required parts; SoundFX Direct Fit
1998CadillacDeVilleBase4.6LV8LeftIf welded assembly, replace all required parts; SoundFX Direct Fit
1997CadillacDeVilleConcours4.6LV8LeftIf welded assembly, replace all required parts; SoundFX Direct Fit
1997CadillacDeVilleBase4.6LV8LeftIf welded assembly, replace all required parts; SoundFX Direct Fit
1996CadillacDeVilleConcours4.6LV8LeftIf welded assembly, replace all required parts; SoundFX Direct Fit
1996CadillacDeVilleBase4.6LV8LeftIf welded assembly, replace all required parts; SoundFX Direct Fit
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 700185Remy — 14741