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Walker 18973 Exhaust Muffler
| Brand | Walker 18973 |
|---|---|
| Muffler Type | Reflection |
| 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 | Steel |
| Finish | Aluminized |
| Inlet 1 Inside Diameter | 2.25 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Center |
| Inlet Type | Pipe connection |
| Outlet 1 Inside Diameter | 2.25 |
| Outlet 1 Type | Pipe connection |
| Outlet Configuration | Offset |
| Outlet Type | Pipe connection |
| Product line | SoundFX Direct Fit |
| Fits | Jeep · 8 vehicles |
Direct-fit design. Specific fit helps simplify installation with no modifications needed.
Aluminized steel. Resists corrosion better than low-carbon steel for longer service life.
Reflection muffler. Engineered for quality appearance and favorable acoustics.
Cross-references AP Exhaust 700362 and AP Exhaust 700364 for the same application. See all 2.
Walker SoundFX Direct Fit Muffler for Jeep Grand Cherokee
Walker SoundFX Direct Fit muffler Part Number 18973 is a specific-fit exhaust muffler built for 1999-2001 Jeep Grand Cherokee applications. It uses an oval steel body with aluminized finish and a 2.25-inch inlet and outlet to match the listed exhaust configuration.
Key Features
- Specific-fit exhaust muffler for direct replacement use
- Oval body design with center inlet and offset outlet
- 2.25-inch inlet and 2.25-inch outlet pipe connections
- 100% aluminized steel construction for improved service life versus low-carbon steel
- Mechanical interior joints and spun-locked heads for added durability
- Reversible design for installation flexibility where the application allows
- Walker SoundFX Direct Fit product line focused on OE-style appearance and controlled acoustics
Detailed Description
Walker 18973 is a direct-fit exhaust muffler engineered for the Jeep Grand Cherokee from 1999 through 2001, with fitment notes that include Federal and California emission system applications and a requirement for tail pipe part 55593 on listed configurations. The muffler measures 30 inches overall, with a 26-inch body length, 9.75-inch body width, and 4.25-inch body height. Its aluminized steel body and reflection-style muffler design support a durable replacement solution for exhaust service work.
The SoundFX Direct Fit line is positioned for buyers who need a replacement muffler that matches the vehicle’s exhaust layout while maintaining a clean appearance and controlled sound characteristics. Part Number 18973 is also cross-referenced to AP Exhaust 700362 and 700364 for the same application.
Vehicle Fitment
- Fits 1999-2001 Jeep Grand Cherokee, N/A. Requires 55593; if welded assembly, replace all required parts; SoundFX Direct Fit.
- Fits 1999-2001 Jeep Grand Cherokee, N/A. Replacement requires tail pipe; with Federal Emission System; requires 55593; if welded assembly, replace all required parts; SoundFX Direct Fit.
- Fits 1999-2000 Jeep Grand Cherokee, N/A. Replacement requires tail pipe; with California Emission System; requires 55593; if welded assembly, replace all required parts; SoundFX Direct Fit.
Common Replacement Reasons
- Rust or corrosion in the muffler body
- Exhaust noise increase from internal deterioration
- Restricted exhaust flow caused by damaged internal components
- Failed pipe connections at the inlet or outlet
- Need for a direct replacement muffler on a Jeep Grand Cherokee exhaust system
Installation Notes and Tips
Verify the vehicle’s emission system and exhaust layout before ordering. This muffler uses a center inlet and offset outlet with 2.25-inch pipe connections, and the listed fitment notes call for tail pipe part 55593 on certain applications. If the exhaust assembly is welded, replace all required related parts during service to maintain proper alignment and sealing.
Quality Assurance
Walker SoundFX Direct Fit mufflers use 100% aluminized steel, mechanical interior joints, and spun-locked heads to support durability in exhaust service. The product line is built to deliver a quality replacement appearance and controlled acoustics for the listed Jeep Grand Cherokee applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2001 | Jeep | Grand Cherokee | 4.7L | V8 | N/A | Requires 55593; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2001 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Replacement Requires Tail Pipe; with Federal Emission System; Requires 55593; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2000 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Replacement Requires Tail Pipe; with California Emission System; Requires 55593; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2000 | Jeep | Grand Cherokee | 4.7L | V8 | N/A | Requires 55593; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2000 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Replacement Requires Tail Pipe; with Federal Emission System; Requires 55593; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1999 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Replacement Requires Tail Pipe; with California Emission System; Requires 55593; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1999 | Jeep | Grand Cherokee | 4.7L | V8 | N/A | Requires 55593; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 1999 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Replacement Requires Tail Pipe; with Federal Emission System; Requires 55593; If welded assembly, replace all required parts; SoundFX Direct Fit |
| No rows match your filter. | ||||||