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Walker 21382 Exhaust Muffler - Left
Overview of Walker Quiet-Flow SS Exhaust Muffler 21382
The Walker Quiet-Flow SS Exhaust Muffler 21382 is designed specifically for Pontiac Grand Prix models, providing a precise fit and reliable performance. Crafted from stainless steel with an aluminized finish, this muffler offers durability and corrosion resistance for extended service life.
- Specific fit for Pontiac Grand Prix
- Oval-shaped muffler body for optimized exhaust flow
- Stainless steel construction with aluminized finish
- Inlet diameter: 1.875 inches; outlet diameter: 2.25 inches
- Offset inlet and outlet pipe connections
- Overall length of 17.25 inches with a 9-inch body width
- Combination muffler type for balanced sound and performance
Detailed Product Description
The Walker Quiet-Flow SS 21382 exhaust muffler features a specific fitment for Pontiac Grand Prix vehicles, ensuring compatibility and ease of installation. Its oval-shaped body measures 9 inches in width, 7 inches in height, and 14 inches in length, with an overall length of 17.25 inches. The muffler is constructed from stainless steel, providing resistance to rust and corrosion, while the aluminized finish adds an extra layer of protection against environmental elements.
This muffler includes a single inlet and outlet, both configured with offset pipe connections—1.875 inches for the inlet and 2.25 inches for the outlet—allowing for efficient exhaust flow and reduced backpressure. The combination muffler type balances noise reduction with performance, making it suitable for drivers seeking a quieter ride without sacrificing exhaust efficiency. Note that this muffler is not reversible or tunable.
About the Quiet-Flow SS Product Line
The Quiet-Flow SS line by Walker is engineered to provide a balance of sound control and durability. Utilizing stainless steel materials and precise manufacturing, the Quiet-Flow SS mufflers are designed to meet or exceed OEM specifications. The 21382 model continues this tradition by offering a specific fit for Pontiac Grand Prix vehicles, ensuring reliable performance and longevity.
Common Applications and Problem Solving
- Replacement for worn or damaged mufflers on Pontiac Grand Prix
- Reduction of excessive exhaust noise
- Improvement of exhaust flow and engine efficiency
- Prevention of rust and corrosion-related muffler failure
- Restoration of factory exhaust system performance
Installation Notes and Tips
Installation of the Walker Quiet-Flow SS 21382 muffler requires compatibility with the Pontiac Grand Prix exhaust system. The offset inlet and outlet pipe connections should be aligned carefully to ensure a proper seal and fit. Use appropriate clamps or welding techniques as needed to secure the muffler. Since this muffler is not reversible or tunable, verify orientation before final installation.
Quality Assurance and Warranty
Walker manufactures the Quiet-Flow SS 21382 muffler with high-quality stainless steel and aluminized finishes to ensure durability and resistance to corrosion. While specific warranty details are not provided, Walker products typically meet industry standards for quality and reliability, offering confidence in long-term use.
| Brand | Walker |
| Part Number | 21382 |
| Position | Quiet-Flow SS, Left |
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Regular |
| Inlet Inside Diameter | 1.875 |
| Body Width | 9 |
| Inlet Quantity | 1 |
| Outlet Inside Diameter | 2.25 |
| Outlet Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 17.25 |
| Body Height | 7 |
| Body Length | 14 |
| Body Material | Stainless steel |
| Finish | Aluminized |
| Inlet 1 Inside Diameter | 1.875 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Offset | 1.625 |
| Inlet Type | Pipe connection |
| Muffler Type | Combination |
| Outlet 1 Inside Diameter | 2.25 |
| Outlet 1 Type | Pipe connection |
| Outlet Configuration | Offset |
| Outlet Type | Pipe connection |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | Pontiac | Grand Prix | 3.8L | V6 | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2001 | Pontiac | Grand Prix | 3.8L | V6 | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2000 | Pontiac | Grand Prix | 3.8L | V6 | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1999 | Pontiac | Grand Prix | 3.8L | V6 | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1998 | Pontiac | Grand Prix | 3.8L | V6 | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1997 | Pontiac | Grand Prix | 3.8L | V6 | Left | Premium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.