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Walker 21633 Exhaust Muffler
| Brand | Walker 21633 |
|---|---|
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Regular |
| Inlet Inside Diameter | 2.25 |
| Body Width | 9.75 |
| Inlet Quantity | 1 |
| Outlet Inside Diameter | 2.25 |
| Outlet Quantity | 1 |
| Reversible | Yes |
| Tunable | No |
| Overall Length | 30 |
| Body Height | 4.25 |
| Body Length | 26 |
| Body Material | Stainless steel |
| Finish | Aluminized |
| Inlet 1 Inside Diameter | 2.25 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Center |
| 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 |
| Product line | Quiet-Flow SS |
| Fits | Jeep · 8 vehicles |
100% stainless steel. Corrosion-resistant construction for long-lasting durability.
Precision fit. OE-style replacement with superior flow and sound.
Reversible design. Flexible installation with center and offset pipe connections.
Cross-references NGK 2308 and NGK 2309 for the same application. See all 2.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Walker Quiet-Flow SS Muffler for Jeep Grand Cherokee
Walker Quiet-Flow SS muffler Part Number 21633 is a specific-fit exhaust muffler for select 1999-2001 Jeep Grand Cherokee applications. It uses stainless-steel body construction with an OE-style sound profile and a precision-fit layout for direct replacement service.
Key Features
- Walker Quiet-Flow SS product line for OE-style exhaust replacement
- Specific-fit design for select Jeep Grand Cherokee models
- Oval muffler shape with a 30-inch overall length
- 2.25-inch inlet and 2.25-inch outlet pipe connection
- Center inlet and offset outlet configuration
- Stainless-steel body construction with aluminized finish
- Reversible installation orientation
Product Details
This Walker muffler is built for 1999-2001 Jeep Grand Cherokee vehicles and is listed for premium applications with Federal or California emission system notes where specified. Part Number 21633 features a combination muffler design, 9.75-inch body width, 4.25-inch body height, and 26-inch body length, making it a direct-fit exhaust replacement for the listed vehicle configurations. The Quiet-Flow SS line focuses on stainless-steel construction, fit accuracy, and controlled exhaust tone for drivers replacing a worn or damaged factory muffler.
This part cross-references NGK (e.g., 2308, 2309) for the same application.
Common Problems This Muffler Can Address
- Exhaust noise from a rusted or internally damaged muffler
- Restricted exhaust flow caused by a deteriorated factory unit
- Fitment issues when replacing an original Jeep Grand Cherokee muffler
- Corrosion-related failure in the rear exhaust section
- Loss of OE-style exhaust tone after muffler wear
Installation Notes and Tips
Fits 1999-2001 Jeep Grand Cherokee, N/A. Fits 1999-2001 Jeep Grand Cherokee, N/A, with Federal Emission System. Fits 1999-2000 Jeep Grand Cherokee, N/A, with California Emission System. Review the vehicle’s exhaust layout before installation, since some applications note replacement of the tail pipe or additional required parts. If the exhaust assembly is welded, replace all required sections as specified for the vehicle.
Quality Assurance
Walker positions Quiet-Flow SS mufflers as stainless-steel exhaust replacements with precision fit and OE-style sound characteristics. Part Number 21633 is part of the Quiet-Flow SS line, which is offered for a wide range of domestic and import vehicles.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2001 | Jeep | Grand Cherokee | 4.7L | V8 | N/A | Premium; Limited Lifetime Warranty; Requires 55593; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2001 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Premium; Replacement Requires Tail Pipe; with Federal Emission System; Limited Lifetime Warranty; Requires 55593; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2000 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Premium; Replacement Requires Tail Pipe; with California Emission System; Limited Lifetime Warranty; Requires 55593; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2000 | Jeep | Grand Cherokee | 4.7L | V8 | N/A | Premium; Limited Lifetime Warranty; Requires 55593; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2000 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Premium; Replacement Requires Tail Pipe; with Federal Emission System; Limited Lifetime Warranty; Requires 55593; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1999 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Premium; Replacement Requires Tail Pipe; with California Emission System; Limited Lifetime Warranty; Requires 55593; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1999 | Jeep | Grand Cherokee | 4.7L | V8 | N/A | Premium; Limited Lifetime Warranty; Requires 55593; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1999 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Premium; Replacement Requires Tail Pipe; with Federal Emission System; Limited Lifetime Warranty; Requires 55593; If welded assembly, replace all required parts; Quiet-Flow SS |
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