Important Buyer Notes
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Fitment: Buyer is responsible for confirming this muffler fits their exact vehicle (year, make, model, engine, trim, exhaust config, etc.) before purchase. No fitment tool available—verify using Walker's website, vehicle manual, VIN, forums, or 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, rust, leaks), installation problems, or fitment mismatches.
- Free Shipping on this item (continental US only; exclusions may apply).
Common Vehicle Examples (for informational purposes only): This muffler is often used on select 2008–2017 GM vehicles like Buick Enclave, Chevrolet Traverse, GMC Acadia (3.6L V6 configs—always confirm your specs).
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Walker 21683 Quiet-Flow SS Stainless Steel Muffler Upgrade to premium quiet performance with this direct-fit OE-style muffler. Built with 100% 409 stainless steel for superior rust/corrosion resistance and longer life than aluminized mufflers. Delivers factory-like sound, smooth flow, and precision fit—no fabrication needed on compatible vehicles.
Key Features & Benefits
- 100% stainless steel construction – resists rust far better than standard options
- OE-style sound & flow – quiet, refined ride with premium acoustic control
- Direct-fit design – precision cross-sections for easy bolt-on replacement
- Premium durability – built for long-term performance on passenger cars/light trucks
Dimensions & Specs
- Overall Length: 24.00"
- Body Length: 20.00"
- Body Width: 11.50"
- Body Height: 6.00"
- Inlet Diameter: 2.50" (ID)
- Outlet Diameter: 2.25" (ID)
