Important Buyer Notes
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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.
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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.
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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 1985–1994 & 1996 Ford F-250, 1985–1994 Ford F-350/F-450, 1975–1994/1997–2003/2005–2007 Ford E-Series vans (E-150/E-250/E-350, various configs/wheelbases). Always confirm your specific year/model/engine against manufacturer resources.
Walker 21475 Heavy Duty Direct Fit Exhaust Muffler Tough replacement for demanding applications: This Heavy Duty muffler from Walker is built with aluminized steel for solid corrosion resistance and long service life. Engineered for efficient flow and reduced noise in commercial/on-road vehicles, with OE-style design for straightforward installation on compatible setups.
Key Features & Benefits
- Direct-fit OE replacement – precision hangers, connections, and routing for bolt-on ease (no modifications on listed applications)
- Aluminized steel construction – durable against rust and wear in heavy-use conditions
- Heavy Duty performance – helps ensure reliable exhaust flow and longevity for trucks/vans
- Designed for commercial/heavy-duty use – robust build for on/off-road demands
Dimensions & Specs
- Overall Length: 35.00"
- Body Length: 26.00"
- Body Width: 6.50"
- Body Height: 6.50" (round/oval configuration)
- Inlet Diameter: 2.50" (ID, offset)
- Outlet Diameter: 2.50" (ID, offset)
- Material: Aluminized Steel
- Inlet/Outlet: 1 in / 1 out
