
Vehicle Specific
Check if it fits by entering your vehicle info| Brand | Walker | 
| Part Number | 18921 | 
| Part Description | Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler | 
| Body Height | 7.000 | 
| Body Length | 22.000 | 
| Body Material | Steel | 
| Body Width | 9.000 | 
| Exhaust Component Mount Type | Uses Factory Hangers | 
| Finish | Aluminized | 
| Grade Type | Regular | 
| Inlet 1 Inside Diameter | 2.500 | 
| Inlet 1 Type | Pipe Connection | 
| Inlet Configuration | Offset | 
| Inlet Offset | 1.625 | 
| Internet Product Code (IPC) | DCF820B1188 | 
| Item has MSDS (SDS) | N | 
| Max Year Covered | 1998 | 
| MFG Brand Name | Walker Exhaust | 
| MFG Model # (Series) | 18921 | 
| MFG Name | Tenneco, Inc | 
| Min Year Covered | 1997 | 
| Most Popular Make / Model | Ford Expedition | 
| Most Popular Year | 1998 | 
| Muffler Body Height | 7.0 | 
| Muffler Body Length | 22.0 | 
| Muffler Body Material | Steel | 
| Muffler Body Width | 9.0 | 
| Muffler Color / Finish | Aluminized | 
| Muffler Inlet | Offset | 
| Muffler Inlet Connection Type | Pipe Connection | 
| Muffler Inlet Count | 1 | 
| Muffler Inlet Diameter (in) | 2.5 | 
| Muffler Inlet Diameter 2 (in) | 0.0 | 
| Muffler Inlet Diameter Designation | Inside Diameter | 
| Muffler Outlet | Offset | 
| Muffler Outlet Connection Type | Pipe Connection | 
| Muffler Outlet Count | 1 | 
| Muffler Outlet Diameter (in) | 2.25 | 
| Muffler Outlet Diameter Designation | Inside Diameter | 
| Muffler Overall Length | 26.0 | 
| Muffler Reversible | No | 
| Muffler Shape | Oval | 
| Outlet 1 Inside Diameter | 2.250 | 
| Outlet Configuration | Offset | 
| Overall Length | 26.000 | 
| Product Grade | Economy | 
| Reversible | No | 
| Shape | Oval | 
| Supplier Company Name | Tenneco, Inc | 
| Total Part VIO | 185457 | 
| Universal Or Specific Fit | Specific | 
| UPC | 086387189217 | 
| Year Make Model | Trim | Engine | 
|---|---|---|
| 1997-1998 Ford Expedition | All Trims | 8 Cyl 4.6L | 
| 1997-1998 Ford Expedition | All Trims | 8 Cyl 5.4L | 
| 1998 Lincoln Navigator | All Trims | 8 Cyl 5.4L |