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OE Quality
60-Day Returns
WalkerPart #: 18321
Walker 18321 Exhaust Muffler
⚙️ 12 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$86.90Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦SoundFX Direct Fit
🚗Fitment: Nissan, Pathfinder
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Exhaust Muffler options
Walker 18321 Exhaust Muffler
| Brand | Walker |
| Part Number | 18321 |
| Position | SoundFX Direct Fit |
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Regular |
| Body Width | 11 |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 26.625 |
| Body Height | 5.5 |
| Body Length | 16 |
| Body Material | Steel |
| Finish | Aluminized |
| Inlet 1 Type | 2 bolt welded flange |
| Inlet Configuration | Offset |
| Inlet Offset | 1.5 |
| Inlet Type | 2 bolt welded flange |
| Muffler Type | Combination |
| Outlet 1 Outside Diameter | 2 |
| Outlet 1 Type | Pipe connection |
| Outlet Configuration | Center |
| Outlet Outside Diameter | 2 |
| Outlet Type | Pipe connection |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1995 | Nissan | Pathfinder | 4WD | 3.0L | V6 | N/A | If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit |
| 1995 | Nissan | Pathfinder | RWD | 3.0L | V6 | N/A | If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit |
| 1994 | Nissan | Pathfinder | 4WD | 3.0L | V6 | N/A | If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit |
| 1994 | Nissan | Pathfinder | RWD | 3.0L | V6 | N/A | If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit |
| 1993 | Nissan | Pathfinder | RWD | 3.0L | V6 | N/A | If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit |
| 1993 | Nissan | Pathfinder | 4WD | 3.0L | V6 | N/A | If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit |
| 1992 | Nissan | Pathfinder | RWD | 3.0L | V6 | N/A | If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit |
| 1992 | Nissan | Pathfinder | 4WD | 3.0L | V6 | N/A | If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit |
| 1991 | Nissan | Pathfinder | RWD | 3.0L | V6 | N/A | If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit |
| 1991 | Nissan | Pathfinder | 4WD | 3.0L | V6 | N/A | If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit |
| 1990 | Nissan | Pathfinder | RWD | 3.0L | V6 | N/A | If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit |
| 1990 | Nissan | Pathfinder | 4WD | 3.0L | V6 | N/A | If welded assembly, replace all required parts; Optional Parts for Split System; SoundFX Direct Fit |
* 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:
283-27545181700279
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.