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The WALKER 21602 Quiet-Flow® SS Exhaust Muffler is a premium, direct-fit stainless-steel replacement designed to restore optimal exhaust performance and factory-correct sound on 2008–2012 Jeep Liberty models. As part of Walker’s top-tier Quiet-Flow® SS product line, this muffler features 100% stainless-steel body construction, delivering significantly enhanced corrosion resistance and long-term durability compared to traditional aluminized steel mufflers.
Internal louvered tubes, OE-style domed heads, and robust chamber design ensure quiet, smooth exhaust tone while maintaining superior flow characteristics. The Quiet-Flow® SS design is engineered for precise fitment using OE-style hangers and routing for easy installation.
100% Stainless-Steel Construction for maximum corrosion resistance
OE-Style Acoustic Technology for factory-correct sound levels
Direct-Fit Design using OE-style brackets and routing—no welding required
Durable Spun-Locked Heads & Mechanically Joined Tubes to reduce distortion
Internal Drainage System minimizes condensation buildup
Acoustically & Flow Tested for OE-level performance
Protected by Walker’s Limited Lifetime Warranty
| Specification | Detail |
|---|---|
| Shape | Oval |
| Finish | Aluminized |
| Body Material | Stainless Steel |
| Inlet Type | Pipe Connection |
| Outlet Type | Pipe Connection |
| Inlet Diameter | 2.500 in |
| Outlet Diameter | 2.250 in |
| Inlet Location | Center |
| Outlet Location | Offset |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Body Height | 5.500 in |
| Body Length | 25.000 in |
| Body Width | 11.000 in |
| Overall Length | 33.250 in |
| Reversible | No |
| Tunable | No |
| Universal or Specific Fit | Specific |
| Grade Type | Premium |
2008–2012
Engine: All gasoline engine options
Drive Type: 2WD / 4WD
Quantity Required: 1
Position: Rear Muffler
Direct-fit design ensures straightforward bolt-on installation
Reuse or replace clamps and gaskets as required
Stainless-steel construction extends service life and reduces corrosion
Includes 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).
