Walker
Quiet-Flow SS

Walker 40250 Exhaust Muffler Assembly

Brand Walker 40250
Body Diameter 9.75
Body Height 4.25
Body Length 18
Body Material Stainless Steel
Body Width 9.75
Friction Material Thickness Aluminized
Grade Type Regular
Inlet 1 Inside Diameter 2
Inlet 1 Type Pipe Connection
Inlet Configuration Center
Inlet Inside Diameter 2
Inlet Type Pipe Connection
Muffler Material Stainless Steel
Muffler Shape Oval
Muffler Type Combination
Outlet 1 Inside Diameter 2.25
Outlet 1 Outside Diameter 2.25
Outlet 1 Type Pipe Connection
Outlet Configuration Offset
Outlet Type Pipe Connection
Overall Length 35
Shape Oval
Product line Quiet-Flow SS
Fits Dodge and Plymouth · 16 vehicles

OE-style replacement. Direct-fit muffler assembly for straightforward installation.

Stainless steel construction. Helps deliver longer life than typical aluminized mufflers.

Quiet-Flow SS line. Walker muffler assembly with an oval combination design.

Cross-references 5278624AA and 5278624AC for the same application. See all 2.

$119.14Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $119.14
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS 40250 is a direct-fit exhaust muffler assembly for select Dodge Neon and Plymouth Neon applications. Built with stainless-steel body and muffler construction, it is made for drivers replacing a worn OE-style muffler with a fitment-specific exhaust component.

The Quiet-Flow SS line focuses on stainless-steel construction in a direct replacement format, giving this Walker muffler assembly a practical option for long-term exhaust service on domestic and foreign vehicles. For 2000-2005 Dodge Neon and 2000-2001 Plymouth Neon models, part number 40250 matches the vehicle-specific layout needed for a proper exhaust repair.

Key Features

  • Walker Quiet-Flow SS exhaust muffler assembly
  • Part number 40250
  • Stainless-steel muffler material and body material
  • Oval muffler shape with 9.75-inch body width and 4.25-inch body height
  • 18-inch body length and 35-inch overall length
  • Center inlet and offset outlet pipe connections
  • 2-inch inlet inside diameter and 2.25-inch outlet inside diameter
  • Direct-fit OE-style replacement for select Neon applications

Product Details

Walker Quiet-Flow SS 40250 is an exhaust muffler assembly with a combination muffler design, oval body shape, and pipe connection inlet and outlet ends. The stainless-steel construction is the key material advantage in the Quiet-Flow SS product line, helping provide longer service life than typical aluminized mufflers. This part cross-references Chrysler OE numbers 5278624AA and 5278624AC for the same application. It is a fitment-specific replacement for 2000-2005 Dodge Neon and 2000-2001 Plymouth Neon models, making it a relevant choice when restoring exhaust function on these vehicles.

Common Issues This Part May Address

  • Exhaust noise from a rusted or damaged muffler
  • Corrosion-related muffler failure on a Neon exhaust system
  • Poor exhaust sealing at the muffler connection points
  • Replacement needs for an OE-style muffler assembly on Dodge Neon or Plymouth Neon
  • Restoring proper exhaust routing after muffler wear or damage

Installation Notes and Tips

Verify inlet and outlet sizing before installation: this muffler uses a 2-inch center inlet and a 2.25-inch offset outlet with pipe connections. Confirm vehicle year and model match the listed fitment for 2000-2005 Dodge Neon and 2000-2001 Plymouth Neon. Compare the existing exhaust layout, overall length, and outlet offset to ensure correct alignment during replacement.

Quality Assurance

The Quiet-Flow SS line is Walker’s stainless-steel direct-fit replacement series, built for longer life than standard aluminized mufflers. Part number 40250 is engineered as an OE-style exhaust muffler assembly for the listed Neon applications.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2005DodgeNeonSE2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2005DodgeNeonSXT2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2004DodgeNeonSE2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2004DodgeNeonSXT2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2003DodgeNeonSE2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2003DodgeNeonSXT2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2002DodgeNeonSE2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2002DodgeNeonES2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2002DodgeNeonACR2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2001DodgeNeonSE2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2001DodgeNeonBase2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2001DodgeNeonES2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2001DodgeNeonACR2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2001PlymouthNeon2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2000DodgeNeon2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2000PlymouthNeon2.0LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
5278624AA5278624AC