Walker® 18431 Exhaust Muffler
Manufacturer #18431
Walker® 18431 Exhaust Muffler
Manufacturer #18431
$60.79
$67.54
Save $6.75 (10%)
Only 2 left in stock – order soon
Get it between Wed, Sep 10 - Fri, Sep 12, 2025
Does This Fit? Add Vehicle to Guarantee Fit!
Add vehicleFree & Fast Shipping
We ship fast so you can get on the road that much faster100% Safety
Only secure payments| SKU | WK18431 |
|---|---|
| Brand | Walker® |
| Part Name | Exhaust Muffler |
| Part | # 18431 |
| Quantity Per Vehicle | 1 |
| Pack of | 1 |
| Condition | New |
| Manufacturer’s Warranty | Limited Lifetime |
-
Oldsmobile
-
Pontiac
- SoundFX Direct Fit Exhaust Muffler 2' Inlet (ID) 1.875' Outlet (ID)
- Walker SoundFX 18431 Direct Fit Exhaust Muffler 2' Inlet (ID) 1.875' Outlet (ID) for Pontiac Grand Prix
- Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.
- RESISTS CORROSION -- Aluminized steel construction and internal drainage system helps reduce corrosion
- BUILT TO LAST -- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
- EASY TO INSTALL -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn't require specialized fabrication and/or welding
- FACTORY SOUND -- Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
- GET MORE MILES FROM YOUR MUFFLER -- Designed and tested to extend muffler life
| Overall Length (IN) | 17.000 |
|---|---|
| Shape | Oval |
| Inlet Quantity | 1 |
| Inlet Type | Pipe connection |
| Inlet Inside Diameter (IN) | 2.000 |
| Inlet Location | Offset |
| Body Length (IN) | 14.000 |
| Body Width (IN) | 9.750 |
| Body Height (IN) | 4.250 |
| Body Material | Steel |
| Outlet Quantity | 1 |
| Outlet Type | Pipe connection |
| Outlet Location | Center |
| Outlet Inside Diameter (IN) | 1.875 |
| Grade Type | Premium |
| Finish | Aluminized |
| Reversible | No |
| Tunable | No |
| Universal Or Specific Fit | Specific |
| Hanger Included | No |
| Inlet Offset (IN) | 2.875 |
1993-1991 Oldsmobile Cutlass, 1993-1991 Oldsmobile Cutlass Right, 1996-1990 Pontiac Grand Prix, 1996-1990 Pontiac Grand Prix Right
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund.
Warranty Policy
Right parts, guaranteed. If you find any defects, simply notify us within the warranty period, and we’ll take care of it. Check out our Warranty Policy for more details.
$60.79
$67.54
Save $6.75 (10%)
Similar Products
Walker®
$121.91
$135.46
Save $13.55 (10%)
Get it by Wed, Sep 10 - Fri, Sep 12, 2025
Walker®
Exhaust Resonator and Pipe Assembly
$77.39
$85.99
Save $8.60 (10%)
Get it by Wed, Sep 10 - Fri, Sep 12, 2025
AP Exhaust®
$62.17
$69.08
Save $6.91 (10%)
Get it by Wed, Sep 10 - Fri, Sep 12, 2025
Walker®
$208.90
$227.07
Save $18.17 (8%)
Get it by Wed, Sep 10 - Fri, Sep 12, 2025
Recently Viewed
Litens®
Accessory Drive Belt Idler Pulley
$25.29
$29.75
Save $4.46 (15%)
Get it by Wed, Sep 10 - Fri, Sep 12, 2025
Victor®
$49.26
$57.95
Save $8.69 (15%)
Get it by Wed, Sep 10 - Fri, Sep 12, 2025
Litens®
Accessory Drive Belt Tensioner Assembly
$59.67
$66.30
Save $6.63 (10%)
Get it by Wed, Sep 10 - Fri, Sep 12, 2025
Litens®
Accessory Drive Belt Idler Pulley
$25.98
$30.56
Save $4.58 (15%)
Get it by Wed, Sep 10 - Fri, Sep 12, 2025
