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Deal.ai › Walker
Walker
Walker Exhaust Quiet-Flow SS 21544 Exhaust Muffler

Walker Exhaust Quiet-Flow SS 21544 Exhaust Muffler

5(1 rating)

Best price now

$76.84at WalmartChecked 1 h ago

31% under what the other stores charge

Compared across 17 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $76.84 at Walmart (checked Nov 12, 2026).
  • Checked at 17 stores.

Our take on the Walker Exhaust Quiet-Flow SS 21544 Exhaust Muffler

The Walker Quiet-Flow SS 21544 is a direct-fit replacement muffler for 2005-2010 Jeep Grand Cherokee and 2006-2010 Jeep Commander models. It uses a 100% stainless-steel body in an oval, combination resonance-and-absorber design, with a 2.5-inch offset inlet and a 2.25-inch center outlet. It is aimed at owners restoring factory exhaust tone and fit rather than chasing a louder or sportier note. Against generic universal mufflers, its value is the vehicle-specific shape and pipe layout that bolts to the stock hangers and routing.

Best forJeep Grand Cherokee owners replacing a rusted or failed stock mufflerJeep Commander owners who want OE-style soundDrivers who prefer a quiet cabin over a sporty exhaust noteOwners doing a direct-fit repair rather than a custom exhaust build
Pros
  • 100% stainless-steel body resists corrosion better than aluminized steel
  • Specific fit for listed Jeep Grand Cherokee and Commander years
  • OE-style tone keeps the cabin quiet
  • Combination resonance and absorber design controls drone
  • Cross-references AP Exhaust 2524 for easier sourcing
Cons
  • Fits only the listed Jeep applications; not universal
  • Not reversible or tunable, so it cannot be flipped or adjusted for sound
  • Aluminized finish on non-body parts still ages over time
  • Heavier than some stock replacements at about 19 lb
  • No performance gain; it is a stock-style replacement

Walker Exhaust Quiet-Flow SS 21544 Exhaust Muffler prices at every store

  • WalmartNew

    In stockSold by Total Gear HubReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $76.84Free shippingChecked 1 h ago
    Visit Walmart
  • AutoZoneNew

    In stock

    $101.59+ $4.99 shippingChecked 1 h ago
    Visit AutoZone
  • CarParts.comNew

    In stock

    $109.99Free shippingChecked 1 h ago
    Visit CarParts.com
  • Advance Auto PartsNew

    In stock

    $101.59+ $16.60 shippingChecked 1 h ago
    Visit Advance Auto Parts
  • NAPA Auto PartsNew

    In stock

    $139.99Free shippingChecked 1 h ago
    Visit NAPA Auto Parts
  • Advance Auto PartsNew

    In stock

    $193.99Free shippingChecked 1 h ago
    Visit Advance Auto Parts
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $81.78Free shippingChecked 1 h ago
    Visit Amazon
  • Partsgeek.comNew

    Availability unknown

    $90.05Checked 1 h ago
    Visit Partsgeek.com
  • USAutopartsCar.comNew

    Availability unknown

    $95.02Checked 1 h ago
    Visit USAutopartsCar.com
  • Parts ViaNew

    Availability unknown

    $109.46Checked 1 h ago
    Visit Parts Via
  • Summit RacingNew

    Availability unknown

    $111.99Checked 1 h ago
    Visit Summit Racing
  • CARiD.comNew

    Availability unknown

    $113.70Checked 1 h ago
    Visit CARiD.com
  • PartCatalog.comNew

    Availability unknown

    $116.52Checked 1 h ago
    Visit PartCatalog.com
  • O'Reilly Auto PartsNew

    Availability unknown

    $138.99Checked 1 h ago
    Visit O'Reilly Auto Parts
  • RV & Auto PartsNew

    Availability unknown

    $142.95Checked 1 h ago
    Visit RV & Auto Parts
  • ZoroNew

    Availability unknown

    $152.99Checked 1 h ago
    Visit Zoro
  • eBayNew

    Availability unknownSold by trjmotors

    $165.59Checked 1 h ago
    Visit eBay

Also available at

  • WalmartCheck price at Walmart

Store links may earn us a commission. Some prices via Klarna.

Walker Exhaust Quiet-Flow SS 21544 Exhaust Muffler price history

Lowest price we've seen: $81.78 on Nov 13 at Walmart. Tracked across 17 stores since Nov 13.

What reviewers say

Owners of these Jeeps generally describe the Quiet-Flow SS as a close match to the factory muffler, with a quiet tone and straightforward installation on the intended models. Complaints tend to center on fitment confusion when the wrong application is ordered and on long-term durability of the finish.

What people mention
  • SoundPraisedOwners say it keeps the exhaust quiet and close to the factory tone.
  • FitmentMixedIt fits the listed Jeeps well, but buyers report trouble when the application is mismatched.
  • BuildPraisedThe stainless-steel body is described as holding up well against rust.
  • FinishCriticisedSome note that welds and non-body surfaces show corrosion sooner than the body.
  • WeightMixedA few owners find it heavier than the part it replaces.

About the Walker Exhaust Quiet-Flow SS 21544 Exhaust Muffler

It has an oval body with a combination resonance and absorber design. The body is stainless steel.

Part number
21544
Fit type
Specific, direct replacement
Muffler type
Combined resonance and absorber
Material
Stainless steel body
Finish
Aluminized
Shape
Oval
Inlet
1 x 2.5 in inside diameter, pipe connection, offset 3.5 in
Overall length
32 in
Body length
27 in
Body width
11 in
Body height
5.5 in
Weight
19 lb
Reversible
No
Tunable
No
Count
1

Specifications

Vehicle fitment type
SpecificSource
Vehicle type
TruckSource
Muffler type
Combined Resonance & Absorber MufflerSource
Brand

Questions and answers

Will this fit my Jeep Grand Cherokee or Commander?
It is specific-fit for 2005-2010 Jeep Grand Cherokee and 2006-2010 Jeep Commander. Check your year, engine and stock muffler layout before ordering, since it is not universal.
Is it louder than the factory muffler?
No. Walker positions the Quiet-Flow SS as an OE-style replacement, so the tone stays close to stock rather than becoming sporty.
Is the whole muffler stainless steel?
The muffler body is 100% stainless steel. The finish is listed as aluminized, so welds and connected pipes may age differently than the body.
Can it be flipped or adjusted for a different sound?
No. It is not reversible and not tunable, and the offset inlet and center outlet are fixed to match the stock routing.
What are the inlet and outlet sizes?
The inlet is 2.5 inches and the outlet is 2.25 inches, both pipe connections. The body is 27 inches long, 11 inches wide and 5.5 inches high, with 32 inches overall length.
Does it cross-reference to another brand?
Yes. It cross-references AP Exhaust 2524 for the same application.
Where is the Walker Exhaust Quiet-Flow SS 21544 Exhaust Muffler cheapest?
At Walmart, for $76.84, 31% under what the other stores charge, as of our latest check.
What do buyers say about the Walker Exhaust Quiet-Flow SS 21544 Exhaust Muffler?
Rated 5 out of 5 from 1 ratings.
Where can I buy the Walker Exhaust Quiet-Flow SS 21544 Exhaust Muffler?
16 stores we checked sell it, including Advance Auto Parts, Walmart, Amazon, Partsgeek.com, USAutopartsCar.com.

Stores we've priced the Walker Exhaust Quiet-Flow SS 21544 Exhaust Muffler at

  • Walmart deals and prices
  • Zoro deals and prices

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WalkerSource
Material
Stainless SteelSource
Inlet diameter
2.5 inSource
Outlet diameter
2.25 inSource
Finish
AluminizedSource
Weight
19 lbSource
Count
1Source
color
multi
size
2.5 x 2.25
Universal Or Specific Fit
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Shape
Oval
Grade Type
Regular
Inlet Inside Diameter
2.5
Body Width
11
Inlet Quantity
1
Outlet Inside Diameter
2.25
Outlet Quantity
1
Reversible
No
Tunable
No
Overall Length
32
Body Height
5.5
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