Walker 21505 Exhaust Muffler
OE Quality 60-Day Returns
Walker
 Quiet-Flow SS

Walker 21505 Exhaust Muffler

Brand Walker 21505
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Inlet Inside Diameter 2
Body Width 11
Inlet Quantity 1
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 24.5
Body Height 5.5
Body Length 13
Body Material Stainless steel
Finish Aluminized
Inlet 1 Inside Diameter 2
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 3.5
Inlet Type Pipe connection
Muffler Type Combination
Outlet 1 Outside Diameter 2
Outlet 1 Type Tip
Outlet Configuration Center
Outlet Outside Diameter 2
Outlet Type Tip
Product line Quiet-Flow SS
Fits Chevrolet · 16 vehicles

100% stainless steel. Resists corrosion for long-lasting exhaust performance.

Precision fit. Helps simplify installation with an OE-style replacement design.

OE-style sound. Delivers a factory-like exhaust note without extra drone.

Cross-references Anchor 2447 and AP Exhaust 14760 for the same application. See all 2.

$100.91Free shipping
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Walker Quiet-Flow SS Muffler for Malibu

Walker Quiet-Flow SS muffler Part Number 21505 is a specific-fit exhaust muffler built with stainless-steel construction for a precise replacement on select vehicles. It is engineered for OE-style sound and steady exhaust flow, making it a practical choice for a 2004-2008 Chevrolet Malibu exhaust repair.

Key Features

  • Specific-fit exhaust muffler for select applications
  • 100% stainless-steel body construction
  • Oval muffler shape with a combination muffler design
  • 1 inlet and 1 outlet with pipe connection inlet
  • Offset inlet configuration and center outlet configuration
  • 2-inch inlet inside diameter and 2-inch outlet outside diameter
  • Overall length: 24.5 inches; body length: 13 inches
  • Walker Quiet-Flow SS product line for OE-style sound and fit

Product Details

The Walker Quiet-Flow SS line focuses on direct replacement mufflers with stainless-steel construction, precision fit, and controlled exhaust tone. This Part Number 21505 uses an oval body, aluminized finish, and a combination muffler layout to match the factory-style exhaust path on the 2004-2008 Chevrolet Malibu. It is also cross-referenced to Anchor 2447 and AP Exhaust 14760 for the same application.

Fits 2004-2008 Chevrolet Malibu, N/A.

Common Exhaust Issues It Can Address

  • Rust-through or corrosion in the original muffler
  • Exhaust noise from a damaged muffler shell or internal baffles
  • Restricted exhaust flow caused by deterioration inside the muffler
  • Fitment problems when replacing a worn factory-style muffler
  • Need for a direct replacement on a 2004-2008 Chevrolet Malibu exhaust system

Installation Notes

Verify inlet and outlet dimensions, offset configuration, and overall length before installation. This muffler uses a pipe-connection inlet and a tip-style outlet, so alignment with the existing exhaust routing is important. For welded assemblies, replace all required related parts during service to maintain proper fit and exhaust sealing.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with stainless-steel construction and are designed for precision fit and OE-style sound control. This part is listed for 2004-2008 Chevrolet Malibu applications and follows the Quiet-Flow SS product line standards for replacement exhaust service.

Related reading

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2008ChevroletMalibu—2.2LL4N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008ChevroletMalibuClassic LT3.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008ChevroletMalibuClassic LS3.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007ChevroletMalibu—2.2LL4N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007ChevroletMalibuLT3.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007ChevroletMalibuLS3.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007ChevroletMalibuLTZ3.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006ChevroletMalibu—2.2LL4N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006ChevroletMalibuLT3.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006ChevroletMalibuLTZ3.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005ChevroletMalibu—2.2LL4N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005ChevroletMalibuLT3.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005ChevroletMalibuLS3.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004ChevroletMalibu—2.2LL4N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004ChevroletMalibuLT3.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004ChevroletMalibuLS3.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; 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.
Anchor — 2447AP Exhaust — 14760