Walker 18229 SoundFX Direct Fit Muffler - 3" Inlet/Outlet, Aluminized Steel

Important Buyer Notes

• Fitment: Buyer is responsible for confirming this muffler fits their exact vehicle (year, make, model, engine, trim, wheelbase, exhaust configuration, etc.) before purchase. No fitment tool available—verify using Walker's website/catalog, vehicle manual, VIN, forums, or a mechanic. We do not guarantee compatibility or provide fitment advice. Incorrect fitment does not qualify for returns/exchanges under our 30-day policy.
• Warranty/Returns: No warranty provided by seller or manufacturer. Sold new but as-is. 30-day returns only for unwanted items or clear wrong-part errors (after buyer verification). No returns/exchanges for defects, performance issues (e.g., sound quality, leaks, rust), installation problems, or fitment mismatches.
• Free Shipping on this item (continental US only; exclusions may apply).

Examples of Vehicles This Part Is Commonly Associated With (for informational purposes only; buyer must independently verify exact fitment): Select 1987–1991 Chevrolet Blazer (full-size), 1987–1991 Chevrolet G10/G20/G30 vans, 1987–1991 GMC Jimmy/G vans (various trims/configs). Always confirm your specific year/model/wheelbase against manufacturer resources.

Walker 18229 SoundFX Direct Fit Exhaust Muffler Replace your exhaust muffler with this direct-fit SoundFX model from Walker. Aluminized steel construction offers solid corrosion resistance and durability, while the internal tube-and-partition design provides a deeper, more noticeable tone than stock—ideal for efficient performance on compatible older trucks and vans.

Key Features & Benefits

• Direct-fit OE replacement – precision hangers, connections, and routing for easy bolt-on installation (no modifications needed on listed applications)
• Aluminized steel body – resists rust better than basic steel for reliable longevity
• SoundFX acoustics – enhanced exhaust note with controlled flow and minimal drone
• Spun-locked heads – added rupture resistance for dependable use

Dimensions & Specs

• Overall Length: 29.00"
• Body Length: 24.00"
• Body Width: 9.75"
• Body Height: 4.25"
• Inlet Diameter: 3.00" (ID, offset)
• Outlet Diameter: 3.00" (ID, center)
• Material: Aluminized Steel
• Inlet/Outlet: 1 in / 1 out

Orders ship via USPS, FedEx or UPS depending on the purchase price, size and weight.

Will only ship to the lower 48 states. No international shipping.