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The WALKER 21756 Quiet-Flow® SS Exhaust Muffler is engineered as a premium, long-lasting replacement for OE mufflers on select Toyota Camry models. As the only broad-market muffler featuring a 100% stainless-steel body, Quiet-Flow SS provides superior corrosion resistance and durability compared to aluminized alternatives. Its OE-style construction ensures factory-correct sound, optimized flow, and precise fitment.
Internal partitions, mechanically joined tubes, and spun-locked heads allow the muffler to expand and contract with temperature changes, preventing distortion and extending service life. Louvered OE-style tubes and domed heads enable refined, quieter operation while effectively managing exhaust acoustics.
With OE-style hangers, brackets, and pipe routings, the 21756 installs easily without specialized fabrication or welding. Acoustic and flow testing validate that this Quiet-Flow SS muffler delivers the dependable, factory-style performance expected from Walker.
100% Stainless-Steel Construction for maximum corrosion resistance and longer life
Direct-Fit Replacement with OE-style hangers and brackets—no welding required
Engineered for Durability with internal partitions and spun-locked heads
Premium OE-Style Sound using louvered tubes and domed heads to control noise
Flow & Acoustics Validated to ensure factory-quality sound and performance
Moisture-Reducing Drainage System minimizes internal corrosion
Limited Lifetime Warranty plus 90-Day Safe and Sound® Guarantee
| Specification | Detail |
|---|---|
| Shape | Oval |
| Finish | Natural |
| Body Material | Stainless Steel |
| Outlet Location | Offset |
| Inlet Type | 2-Bolt Welded Flange |
| Outlet Type | Tip |
| Body Height | 5.500 in |
| Body Length | 16.000 in |
| Body Width | 11.000 in |
| Overall Length | 31.750 in |
| Inlet Location | Offset |
| Inlet Quantity | 1 |
| Inlet Offset | 3.750 in |
| Outlet Quantity | 1 |
| Outlet Outside Diameter | 2.500 in |
| Reversible | No |
| Tunable | No |
| Universal or Specific Fit | Specific |
| Grade Type | Premium |
(All applications listed require one muffler per vehicle and are engineered as direct-fit replacements.)
2.5L L4 (2494cc / 152 cid)
2012–2017
Exhaust Muffler
Vehicle Quantity: 1
Direct-fit bolt-on installation—OE-style hangers and pipe routings
No welding or custom fabrication required
For best results, inspect exhaust hardware and replace gaskets as needed
Comes with Walker's Limited Lifetime Warranty and 90-Day Safe and Sound® Guarantee
Visit WalkerExhaust.com for detailed warranty conditions
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).
