Walker 21672 Quiet-Flow SS Stainless Steel Muffler - Direct Fit, 2.25" 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 2005–2009 Subaru Legacy (various trims, including 2.5L H4 naturally aspirated models; often driver/left side). Always confirm your specific year/model/config against manufacturer resources.

Walker 21672 Quiet-Flow SS Stainless Steel Muffler Upgrade to premium quiet performance with this direct-fit Quiet-Flow SS muffler from Walker. 100% stainless steel construction (body, heads, tubes, partitions) provides superior corrosion resistance and longer life than aluminized options. Delivers factory-style sound, smooth flow, and precision fit on compatible vehicles.

Key Features & Benefits

• 100% stainless steel – exceptional rust resistance and extended durability
• Direct-fit OE design – precision cross-sections, hangers, and connections for bolt-on replacement (no fabrication required on listed apps)
• Quiet-Flow acoustics – OE-style quiet, refined ride with superior flow
• Premium internals – optimized for efficient exhaust performance and longevity

Dimensions & Specs

• Overall Length: ~26.00"
• Body Length: 13.00"
• Body Width: 9.00"
• Body Height: 7.00"
• Inlet Diameter: Not broadly specified (typically matches OE ~2.25–2.5"; verify)
• Outlet Diameter: 2.25" (OD, tip/center)
• Material: 409 Stainless Steel
• Inlet/Outlet: 1 in / 1 out (often driver/left side 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.