Have Questions?
Professional-grade parts used trackside.
Expert help during business hours.
Encrypted checkout & trusted payments.
Orders ship quickly from regional warehouses.
The Walker SoundFX® 18456 is a direct-fit replacement muffler engineered for 1994–1996 Dodge Dakota trucks equipped with 3.9L and 5.2L engines. Built with aluminized steel for superior corrosion resistance, this muffler provides OE-style sound control and long-lasting durability. Its internal drainage system, precision mechanical joints, and spun-locked heads help maintain structural integrity while delivering reliable everyday performance.
Aluminized Steel Construction for enhanced corrosion protection
Mechanical Interior Joints minimize distortion from temperature fluctuations
OE-Style Louvered Tubes provide quieter, factory-like sound control
Direct-Fit Design enables uncomplicated installation using existing exhaust routing
Durable Spun-Locked Heads ensure long component life
Internal Drainage System reduces moisture accumulation for extended service life
| Specification | Detail |
|---|---|
| Shape | Oval |
| Finish | Aluminized |
| Outlet Location | Offset |
| Inlet Type | Pipe Connection |
| Outlet Type | Pipe Connection |
| Inlet Inside Diameter | 2.500 in |
| Body Height | 7.000 in |
| Body Length | 16.000 in |
| Body Width | 9.000 in |
| Overall Length | 21.000 in |
| Inlet Offset | 1.625 in |
| Inlet Location | Offset |
| Inlet Quantity | 1 |
| Outlet Inside Diameter | 2.500 in |
| Outlet Quantity | 1 |
| Body Material | Steel |
| Hanger Included | No |
| Reversible | No |
| Tunable | No |
| Fitment | Specific |
| Grade Type | Premium |
Dakota (1994–1996) — 5.2L V8 5211cc / 318cid
Dakota (1994–1996) — 3.9L V6 3906cc / 239cid
Designed as a direct-fit muffler, aligning with OE pipe routing for fast installation
No welding required when paired with proper clamps (sold separately)
May require reusing existing hangers or installing new hangers if originals are worn
Ensure proper sealing using fresh gaskets or clamps to prevent exhaust leaks
Recommended to inspect adjoining exhaust pipes for corrosion before installation
Not reversible — must be installed in the correct orientation to match OE flow path
Ideal replacement for factory mufflers exhibiting rust, rattling, or increased noise
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).
