Walker 18983 Exhaust Muffler
OE Quality 60-Day Returns
Walker
 SoundFX Direct Fit

Walker 18983 Exhaust Muffler

Brand Walker 18983
Muffler Type Reflection
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Inlet Inside Diameter 2.25
Body Width 11.5
Inlet Quantity 1
Outlet Inside Diameter 2.25
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 32
Body Height 6
Body Length 27
Body Material Steel
Finish Aluminized
Inlet 1 Inside Diameter 2.25
Inlet 1 Type Pipe connection
Inlet Configuration Body side
Inlet Offset 11.25
Inlet Type Pipe connection
Outlet 1 Inside Diameter 2.25
Outlet 1 Type Pipe connection
Outlet Configuration Center
Outlet Type Pipe connection
Product line SoundFX Direct Fit
Fits Pontiac · 4 vehicles

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

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

Reflection muffler. Delivers quality appearance with favorable acoustics.

Cross-references AP Exhaust 7520 and Walker Exhaust 52359 for the same application. See all 2.

$118.35Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $118.35
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 Pontiac G6

Walker SoundFX Direct Fit muffler Part Number 18983 is a specific-fit exhaust muffler for 2005-2007 Pontiac G6 applications. It uses an oval steel body with 2.25-inch inlet and outlet connections to support a direct replacement layout for the factory exhaust path.

Key Features

  • Direct-fit exhaust muffler for specific vehicle application
  • Oval body shape with aluminized steel finish
  • 2.25-inch inlet and 2.25-inch outlet pipe connections
  • Reflection-style muffler type for controlled exhaust acoustics
  • Mechanical interior joints and spun-locked heads for added durability
  • Walker SoundFX Direct Fit product line for OE-style exhaust replacement

Product Details

Walker Part Number 18983 is built with 100% aluminized steel for improved service life versus low-carbon steel construction. The muffler measures 32 inches overall, with a 27-inch body length, 11.5-inch body width, and 6-inch body height. Its body-side inlet configuration and center outlet configuration match the listed Pontiac G6 fitment, helping maintain the original exhaust routing and appearance. This part cross-references Walker Exhaust 52359 and AP Exhaust 7520 for the same application.

For drivers searching for a Pontiac G6 muffler replacement, Walker SoundFX Direct Fit Part Number 18983 provides a specific-fit solution for 2005-2007 Pontiac G6 models. The SoundFX Direct Fit line focuses on OE-style fitment, practical acoustics, and durable construction for everyday exhaust service.

Common Exhaust Issues This Muffler Can Address

  • Rust-through or corrosion in the original muffler body
  • Exhaust noise increase from a damaged internal baffle or shell
  • Fitment problems caused by a worn or mismatched replacement muffler
  • Loss of factory-style exhaust routing on a Pontiac G6 exhaust repair
  • Need for a direct-fit muffler replacement with aluminized steel construction

Installation Notes and Tips

Fits 2005-2007 Pontiac G6, N/A. The fitment notes specify arc welded construction for commercial use and indicate that if a welded assembly is used, all required parts should be replaced. Verify inlet and outlet diameters, body dimensions, and exhaust routing before installation. Because this is a specific-fit muffler, alignment with the existing pipe connection points is important for proper installation.

Quality Assurance

Walker SoundFX Direct Fit mufflers are built with aluminized steel, mechanical interior joints, and spun-locked heads to support durability in exhaust service. Part Number 18983 is engineered as a direct-fit replacement for the listed Pontiac G6 applications.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
2007PontiacG6—2.4LL4N/AArc Welded Construction Recommended for Commercial Use; If welded assembly, replace all required parts; SoundFX Direct Fit
2006PontiacG6—2.4LL4N/AArc Welded Construction Recommended for Commercial Use; If welded assembly, replace all required parts; SoundFX Direct Fit
2006PontiacG6Sedan3.5LV6N/AArc Welded Construction Recommended for Commercial Use; If welded assembly, replace all required parts; SoundFX Direct Fit
2005PontiacG6Sedan3.5LV6N/AArc Welded Construction Recommended for Commercial Use; If 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 — 7520Walker Exhaust — 52359