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The WALKER 21965 Quiet-Flow® SS Exhaust Muffler provides OE-style sound quality, enhanced durability, and precise fitment for Subaru Crosstrek, Impreza, and XV Crosstrek models. Built with a 100% stainless-steel muffler body, it offers superior corrosion resistance and significantly longer lifespan compared to aluminized alternatives. The internal drainage system minimizes moisture retention, preventing rust and extending service life.
Designed as a direct-fit, bolt-on replacement with OE-style hangers and brackets, this muffler installs easily without modifications or welding. OE-style louvered tubes and domed heads deliver refined, factory-grade acoustic performance while maintaining optimized exhaust flow.
Acoustically and flow-tested, the Quiet-Flow® SS series ensures dependable performance backed by Walker's limited lifetime warranty.
100% Stainless-Steel Muffler Body for maximum corrosion resistance
Direct-Fit Replacement with OE-style hangers and hardware—no welding required
Superior Acoustic Control using OE-style louvered tubes and domed heads
Durable Construction with spun-locked heads and mechanically joined tubes
Moisture-Reducing Internal Drainage System to prevent internal rust
Performance-Tested for OE-style sound and flow characteristics
Backed by a Limited Lifetime Warranty and the Walker Safe and Sound® Guarantee
| Specification | Detail |
|---|---|
| Shape | Oval |
| Finish | Natural |
| Body Material | Stainless Steel |
| Inlet Type | 2 Bolt Welded Flange |
| Outlet Type | Tip |
| Body Height | 5.500 in |
| Body Length | 20.000 in |
| Body Width | 11.000 in |
| Inlet Location | Offset |
| Outlet Location | Offset |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Outlet Outside Diameter | 1.750 in |
| Overall Length | 36.500 in |
| Inlet Offset | 1.500 in |
| Reversible | No |
| Tunable | No |
| Universal or Specific Fit | Specific |
| Grade Type | Premium |
2016–2017
2.0L H4 1995cc
Qty: 1
Position: Rear (Muffler)
2012–2016
2.0L H4 1995cc
Qty: 1
2013–2015
2.0L H4 1995cc
Qty: 1
Direct-fit bolt-on installation; no cutting or welding required
Stainless-steel construction ensures maximum durability
Designed to replicate OE sound and flow characteristics
Covered by Walker’s limited lifetime warranty and 90-Day Safe & Sound® Guarantee
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
