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The Walker® SoundFX® Universal Muffler (18150) delivers dependable performance with a factory-style sound profile. Built with 100% aluminized steel, this muffler provides improved corrosion resistance and durability over standard low-carbon steel units. Its universal-fit design supports a wide range of compact and midsize GM and Toyota applications, though installation may require welding or adaptation. Internally louvered tubes help reduce noise, while mechanically joined components withstand thermal expansion for long-lasting reliability.
RESISTS CORROSION – Constructed from aluminized steel and engineered with internal drainage to minimize rust formation.
BUILT TO LAST – Mechanically joined tubes and internal partitions help prevent distortion; spun-locked heads improve durability and backfire resistance.
FLEXIBLE INSTALLATION – Universal design allows for adaptable fitment and expandable bushings; modification or welding may be necessary.
FACTORY-QUALITY SOUND – Louvered tube design reduces radiated noise for OE-style sound control.
LONG SERVICE LIFE – Engineered for reliability and extended life under varied driving conditions.
This is a universal-fit muffler. Listed vehicles commonly use this configuration, but installation may require fabrication.
| Make | Model | Years | Description | Position | Drive | Qty | Engine |
|---|---|---|---|---|---|---|---|
| Buick | Skyhawk | 1984–1989 | Exhaust Muffler | — | — | 1 | 2.0L L4 122cid |
| Buick | Skyhawk | 1987–1989 | Exhaust Muffler | — | — | 1 | 2.0L L4 122cid (VIN 1) |
| Buick | Skyhawk | 1984–1986 | Exhaust Muffler | — | — | 1 | 1.8L L4 112cid |
| Buick | Skyhawk | 1987–1988 | Exhaust Muffler | — | — | 1 | 2.0L L4 122cid (VIN K) |
| Buick | Skylark | 1986–1991 | Exhaust Muffler | — | — | 1 | 2.5L L4 151cid |
| Buick | Skylark | 1990 | Exhaust Muffler | — | — | 1 | 2.3L L4 138cid |
| Buick | Skylark | 1986–1988 | Exhaust Muffler | — | — | 1 | 3.0L V6 181cid |
| Buick | Somerset Regal | 1985 | Exhaust Muffler | — | — | 1 | 2.5L L4 151cid |
| Buick | Somerset Regal | 1985 | Exhaust Muffler | — | — | 1 | 3.0L V6 181cid |
| Cadillac | Cimarron | 1985–1988 | Exhaust Muffler | — | — | 1 | 2.8L V6 173cid |
| Cadillac | Cimarron | 1984–1986 | Exhaust Muffler | — | — | 1 | 2.0L L4 122cid |
| Chevrolet | Cavalier | 1996–2002 | Exhaust Muffler | — | — | 1 | 2.4L L4 146cid |
| Chevrolet | Cavalier | 1984–1989 | Exhaust Muffler | — | — | 1 | 2.0L L4 122cid |
| Chevrolet | Cavalier | 1995–2003 | Exhaust Muffler | — | — | 1 | 2.2L L4 2190cc/134cid |
| Chevrolet | Cavalier | 1990–1991 | Exhaust Muffler | — | — | 1 | 2.2L L4 134cid |
| Chevrolet | Cavalier | 2002–2005 | Exhaust Muffler | — | — | 1 | 2.2L L4 2198cc |
| Chevrolet | Cavalier | 1990–1993 | Exhaust Muffler | — | — | 1 | 3.1L V6 189cid |
| Chevrolet | Prizm | 1998–2002 | Exhaust Muffler | — | — | 1 | 1.8L L4 1794cc |
| Oldsmobile | Calais | 1985–1987 | Exhaust Muffler | — | — | 1 | 3.0L V6 181cid |
| Oldsmobile | Calais | 1985–1987 | Exhaust Muffler | — | — | 1 | 2.5L L4 151cid |
| Oldsmobile | Cutlass Calais | 1988–1991 | Exhaust Muffler | — | — | 1 | 2.5L L4 151cid |
| Oldsmobile | Cutlass Calais | 1990 | Exhaust Muffler | — | — | 1 | 2.3L L4 138cid (VIN D) |
| Oldsmobile | Firenza | 1987–1988 | Exhaust Muffler | — | — | 1 | 2.0L L4 122cid (VIN 1) |
| Oldsmobile | Firenza | 1985–1987 | Exhaust Muffler | — | — | 1 | 2.8L V6 173cid |
| Oldsmobile | Firenza | 1984–1986 | Exhaust Muffler | — | — | 1 | 2.0L L4 122cid |
| Oldsmobile | Firenza | 1984–1986 | Exhaust Muffler | — | — | 1 | 1.8L L4 112cid |
| Oldsmobile | Firenza | 1987–1988 | Exhaust Muffler | — | — | 1 | 2.0L L4 122cid (VIN K) |
| Pontiac | Grand Am | 1990 | Exhaust Muffler | — | — | 1 | 2.3L L4 140cid |
| Pontiac | Grand Am | 1985–1991 | Exhaust Muffler | — | — | 1 | 2.5L L4 151cid |
| Pontiac | Grand Am | 1990 | Exhaust Muffler | — | — | 1 | 2.3L L4 138cid |
| Pontiac | Grand Am | 1987–1988 | Exhaust Muffler | — | — | 1 | 2.0L L4 122cid |
| Pontiac | Grand Am | 1985–1987 | Exhaust Muffler | — | — | 1 | 3.0L V6 181cid |
| Pontiac | J2000 Sunbird | 1984–1985 | Exhaust Muffler | — | — | 1 | 2.0L L4 122cid |
| Pontiac | J2000 Sunbird | 1984–1985 | Exhaust Muffler | — | — | 1 | 1.8L L4 112cid |
| Pontiac | Sunbird | 1991–1994 | Exhaust Muffler | — | — | 1 | 3.1L V6 189cid |
| Pontiac | Sunbird | 1986–1993 | Exhaust Muffler | — | — | 1 | 2.0L L4 122cid |
| Pontiac | Sunbird | 1986 | Exhaust Muffler | — | — | 1 | 1.8L L4 112cid |
| Pontiac | Sunfire | 2002 | Exhaust Muffler | — | — | 1 | 2.2L L4 2198cc (VIN F) |
| Pontiac | Sunfire | 1996–2001 | Exhaust Muffler | — | — | 1 | 2.4L L4 146cid |
| Pontiac | Sunfire | 1995–2001 | Exhaust Muffler | — | — | 1 | 2.2L L4 134cid |
| Pontiac | Sunfire | 2002 | Exhaust Muffler | — | — | 1 | 2.2L L4 134cid (VIN 4) |
| Pontiac | Sunfire | 2003–2005 | Exhaust Muffler | — | — | 1 | 2.2L L4 2198cc |
| Toyota | Corolla | 1998–2002 | Exhaust Muffler | — | — | 1 | 1.8L L4 1794cc |
Shape: Oval
Finish: Aluminized
Outlet Location: Center
Inlet Type: Pipe Connection
Outlet Type: Pipe Connection
Inlet Inside Diameter: 2.000 in
Body Height: 4.250 in
Body Length: 16.000 in
Body Width: 9.750 in
Hanger Included: Yes
Inlet Location: Offset
Inlet Quantity: 1
Body Material: Steel
Outlet Inside Diameter: 2.000 in
Outlet Quantity: 1
Reversible: No
Tunable: No
Fit: Universal
Grade Type: Premium
Overall Length: 20.500 in
Inlet Offset: 2.875 in
Part Description: SoundFX Universal Muffler
Universal-fit muffler; may require cutting, welding, or fabrication.
Ensure inlet/outlet orientation matches the original system.
Includes hanger, but additional mounting hardware may be required depending on vehicle.
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
