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Walker 18982 Exhaust Muffler
| Brand | Walker 18982 |
|---|---|
| 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 Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 26.25 |
| Body Height | 6 |
| Body Length | 15 |
| Body Material | Steel |
| Finish | Aluminized |
| Inlet 1 Inside Diameter | 2.25 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Offset | 3.75 |
| Inlet Type | Pipe connection |
| Outlet 1 Outside Diameter | 2.25 |
| Outlet 1 Type | Tip |
| Outlet Configuration | Offset |
| Outlet Outside Diameter | 2.25 |
| Outlet Type | Tip |
| Product line | SoundFX Direct Fit |
| Fits | Pontiac · 4 vehicles |
Direct-fit design. Installs as a specific-fit exhaust muffler with no modifications needed.
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 700333 for the same application. See all 1.
Walker SoundFX Direct Fit Muffler for Grand Prix
Walker SoundFX Direct Fit muffler Part Number 18982 is a specific-fit exhaust muffler for the 2005-2008 Pontiac Grand Prix with single exhaust. It uses an oval, reflection-style design with a 2.25-inch inlet and 2.25-inch outlet to match the listed application and restore proper exhaust routing.
SoundFX Direct Fit Construction
The SoundFX Direct Fit line focuses on OE-style fitment, clean appearance, and controlled exhaust tone. This Walker muffler uses 100% aluminized steel for improved service life versus low-carbon steel, along with mechanical interior joints and spun-locked heads for added durability. Part Number 18982 is built as a direct-fit replacement for the specified Grand Prix application.
- Specific-fit exhaust muffler for 2005-2008 Pontiac Grand Prix
- Oval reflection muffler design
- 2.25-inch inlet and 2.25-inch outlet
- Aluminized steel body and finish
- Offset inlet and offset outlet configuration
- Walker SoundFX Direct Fit Part Number 18982
Detailed Product Overview
Walker 18982 is an exhaust muffler for drivers replacing a worn or damaged factory-style muffler on a Pontiac Grand Prix. The 26.25-inch overall length, 11.5-inch body width, and 6-inch body height support a direct-fit layout, while the offset pipe connection and tip-style outlet match the listed vehicle configuration. This part cross-references AP Exhaust 700333 for the same application.
Common Exhaust Issues It Can Address
- Excessive exhaust noise from a failing muffler
- Rust-through or corrosion on the original muffler body
- Restricted exhaust flow caused by internal deterioration
- Poor fitment after an incorrect replacement muffler
- Factory exhaust tone that no longer matches the vehicle’s original setup
Installation Notes and Fitment
Compatible with 2005-2008 Pontiac Grand Prix, with single exhaust; requires 36445; SoundFX Direct Fit. Verify inlet and outlet diameter, offset configuration, and overall dimensions before installation. Professional exhaust installation is recommended to confirm alignment with the existing exhaust system and hanger locations.
Quality Assurance
Walker SoundFX Direct Fit mufflers are built with aluminized steel construction, mechanical interior joints, and spun-locked heads to support durability in everyday exhaust service. Part Number 18982 is engineered for the listed Grand Prix application and the SoundFX Direct Fit product line emphasizes fit, appearance, and controlled acoustics.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Pontiac | Grand Prix | 3.8L | V6 | N/A | with Single Exhaust; Requires 36445; SoundFX Direct Fit |
| 2007 | Pontiac | Grand Prix | 3.8L | V6 | N/A | with Single Exhaust; Requires 36445; SoundFX Direct Fit |
| 2006 | Pontiac | Grand Prix | 3.8L | V6 | N/A | with Single Exhaust; Requires 36445; SoundFX Direct Fit |
| 2005 | Pontiac | Grand Prix | 3.8L | V6 | N/A | with Single Exhaust; Requires 36445; SoundFX Direct Fit |
| No rows match your filter. | ||||||