Walker 21761 Quiet-Flow SS Stainless Steel Muffler - Direct Fit, 2.5" Outlet

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 2008–2014 Subaru Tribeca (various trims, often driver/left side). Always confirm your specific year/model/config against manufacturer resources.

Walker 21761 Quiet-Flow SS Stainless Steel Muffler Replace your exhaust muffler with this premium direct-fit Quiet-Flow SS model from Walker. 100% stainless steel construction (including heads, shell, bushings, tubes, and partitions) provides superior corrosion resistance and extended durability compared to aluminized options. Delivers factory-style quiet, smooth performance with excellent flow on compatible vehicles.

Key Features & Benefits

• 100% stainless steel – exceptional rust resistance and long-term reliability
• Direct-fit OE design – precision fit, hangers, and connections for easy bolt-on installation (no fabrication required on listed apps)
• Quiet-Flow acoustics – OE-style sound, superior flow, and minimal restriction
• Tunable internals – optimized for efficient exhaust performance and durability

Dimensions & Specs

• Overall Length: ~26.69" (approximate; confirm with your setup)
• Body Length: 13.00"
• Body Width: 9.00"
• Body Height: 7.00"
• Inlet Diameter: Not specified in broad listings (typically matches OE ~2.5" or similar; verify)
• Outlet Diameter: 2.50" (OD, tip/center)
• Material: 409 Stainless Steel
• Inlet/Outlet: 1 in / 1 out (driver/left side configuration on applicable vehicles)

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.