Walker 18949 SoundFX Direct Fit Muffler - 1.875" Inlet / 2.25" Outlet, Aluminized

Important Buyer Notes

• Fitment: Buyer is responsible for confirming this muffler fits their exact vehicle (year, make, model, engine, trim, 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 2006–2011 Chevrolet Impala (various trims including LS, LT, LTZ, Police; often passenger/right side). Always confirm your specific year/model/engine against manufacturer resources.

Walker 18949 SoundFX Direct Fit Exhaust Muffler Upgrade your exhaust with this direct-fit SoundFX muffler from Walker. Aluminized steel construction delivers solid corrosion resistance and durability, while the internal tube-and-partition design provides a deeper, more noticeable tone than stock—perfect for smooth performance and everyday driving on compatible vehicles.

Key Features & Benefits

• Direct-fit OE replacement – precision hangers, connections, and routing for easy bolt-on installation (no mods 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: 32.50"
• Body Length: 14.00"
• Body Width: 9.00"
• Body Height: 7.00"
• Inlet Diameter: 1.875" (ID, offset)
• Outlet Diameter: 2.25" (OD, offset)
• 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.