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WALKER - Exhaust Muffler - 18218
WALKER - Exhaust Muffler - 18218
WALKER - Exhaust Muffler - 18218
WALKER - Exhaust Muffler - 18218
WALKER - Exhaust Muffler - 18218
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WALKER - Exhaust Muffler - 18218

WALKER
WAL18218
In stock
Muffler
$99.44 $86.99
Product Description The WALKER 18218 SoundFX® Exhaust Muffler is engineered as a direct-fit, premium replacement for...
$86.99
WALKER - Exhaust Muffler - 21476
WALKER - Exhaust Muffler - 21476
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WALKER - Exhaust Muffler - 18439
WALKER - Exhaust Muffler - 18439
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WALKER - Exhaust Muffler - 18218
Description

Product Description

The WALKER 18218 SoundFX® Exhaust Muffler is engineered as a direct-fit, premium replacement for GM full-size Suburban models equipped with the 5.7L V8 engine. Constructed from 100% aluminized steel, this SoundFX® muffler offers superior corrosion resistance and extended durability when compared to traditional low-carbon steel units.

Mechanical interior joints, internal partitions, and spun-locked heads allow for proper thermal expansion and contraction, helping prevent distortion and prolonging the life of the muffler. The integrated internal drainage system minimizes moisture buildup, further enhancing corrosion resistance.

Designed with OE-style louvered tubes, this muffler delivers reduced radiated noise and restores smooth, factory-style exhaust sound. With direct-fit pipe connections and OE-style routing, the 18218 installs easily with no welding or fabrication required. Rigorously tested for longevity, the WALKER SoundFX® series ensures reliable, long-lasting performance.

Key Features

  • Aluminized Steel Body for improved corrosion resistance

  • Direct-Fit Installation with OE-style routing and pipe connections

  • Durable Construction featuring internal partitions and mechanically joined tubes

  • Factory-Style Sound delivered through OE-style louvered acoustic tubes

  • Spun-Locked Heads enhance strength and long-term reliability

  • Internal Drainage System helps reduce moisture-related corrosion

  • Designed & Tested for extended service life

Technical Specifications

Specification Detail
Shape Oval
Finish Aluminized
Body Material Steel
Inlet Type Pipe Connection
Outlet Type Pipe Connection
Inlet Inside Diameter 3.000 in
Outlet Outside Diameter 3.000 in
Inlet Location Offset
Inlet Quantity 1
Outlet Location Offset
Outlet Quantity 1
Body Height 7.000 in
Body Length 27.000 in
Body Width 9.000 in
Overall Length 33.000 in
Inlet Offset 1.625 in
Reversible No
Tunable No
Universal or Specific Fit Specific
Grade Type Premium

Vehicle Compatibility

(Direct-fit applications. One muffler required per vehicle.)

Chevrolet

C1500 Suburban — 5.7L V8 (350 cid)

  • 1992–1995

C2500 Suburban — 5.7L V8 (350 cid)

  • 1992–1995

K1500 Suburban — 5.7L V8 (350 cid)

  • 1992–1995

K2500 Suburban — 5.7L V8 (350 cid)

  • 1992–1995

GMC

C1500 Suburban — 5.7L V8 (350 cid)

  • 1992–1995

C2500 Suburban — 5.7L V8 (350 cid)

  • 1992–1995

K1500 Suburban — 5.7L V8 (350 cid)

  • 1992–1995

K2500 Suburban — 5.7L V8 (350 cid)

  • 1992–1995

Installation & Warranty Notes

  • Designed for direct-fit installation—no welding required

  • Inspect clamps, hangers, and hardware and replace if worn

  • Ensure proper alignment to avoid vibration or leaks

  • SoundFX® mufflers are performance-tested for OE-style sound and longevity

  • Match inlet/outlet routing with OE exhaust configuration

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Shipping

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.

Returns

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).

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