HomeExhaust > MufflersWalker 54600 Exhaust Muffler Assembly
Part #: 54600

Walker 54600 Exhaust Muffler Assembly

Quiet-Flow SS
⚙️ 16 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Quiet-Flow SS
🚗Fitment: Subaru, Legacy and Outback
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Overview of Walker Quiet-Flow SS Exhaust Muffler Assembly 54600

The Walker Quiet-Flow SS Exhaust Muffler Assembly 54600 is designed specifically for Subaru Legacy and Outback models. Engineered with durable stainless steel and an aluminized finish, this muffler assembly offers reliable performance and corrosion resistance for your vehicle's exhaust system.

  • Compatible with Subaru Legacy and Outback models
  • Constructed from stainless steel for enhanced durability
  • Aluminized finish for corrosion protection
  • Oval-shaped muffler body measuring 9" width by 7" height
  • Inlet and outlet diameter of 2" with offset 2-bolt welded flange inlet
  • Overall length of 37.375" for precise fitment
  • Combination muffler type with tip outlet configuration

Detailed Product Description

This Walker Quiet-Flow SS muffler assembly (part number 54600) features a robust stainless steel body and muffler material, ensuring long-lasting resistance to rust and wear. The oval-shaped muffler body measures 9 inches in width, 7 inches in height, and 17 inches in length, providing an optimal balance between sound attenuation and exhaust flow. The inlet and outlet both have a 2-inch outside diameter, with the inlet utilizing a 2-bolt welded flange in an offset configuration to match specific exhaust layouts on Subaru Legacy and Outback vehicles. The outlet is designed as a tip type with an offset configuration, facilitating proper exhaust exit and fitment. The overall length of 37.375 inches ensures compatibility with the exhaust system dimensions of the specified Subaru models.

Walker Quiet-Flow SS Product Line

The Quiet-Flow SS line by Walker is known for combining stainless steel construction with sound-absorbing technology to reduce exhaust noise while maintaining efficient flow. This product line focuses on providing durable mufflers that meet OEM specifications for fit and function, making it a suitable choice for Subaru Legacy and Outback owners seeking a reliable replacement muffler assembly.

Common Applications and Problem Solving

  • Replacement for worn or rusted mufflers on Subaru Legacy and Outback
  • Reduces excessive exhaust noise caused by damaged mufflers
  • Restores proper exhaust flow to improve engine performance
  • Prevents exhaust leaks due to corrosion or physical damage
  • Maintains vehicle emissions compliance by ensuring exhaust integrity

Installation Notes and Tips

Ensure the exhaust system is cool before beginning installation. The 2-bolt welded flange inlet requires proper alignment to avoid exhaust leaks. Verify that the offset inlet and outlet configurations match your vehicle’s exhaust layout. Use appropriate gaskets and hardware (not included) to secure the muffler assembly. Professional installation is recommended for optimal fit and performance.

Quality Assurance and Warranty

Walker Quiet-Flow SS mufflers are manufactured to meet industry standards for durability and performance. The stainless steel construction and aluminized finish provide corrosion resistance to extend service life. While specific warranty details are not provided here, Walker products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.

BrandWalker
Part Number54600
PositionQuiet-Flow SS
Inlet Outside Diameter2
FinishAluminized
Body Diameter9
Inlet Type2 bolt welded flange
Outlet TypeTip
Body Height7
Body Length17
Muffler MaterialStainless steel
Muffler ShapeOval
Overall Length37.375
Body MaterialStainless steel
Body Width9
Grade TypeRegular
Inlet 1 Outside Diameter2
Inlet 1 Type2 bolt welded flange
Inlet ConfigurationOffset
Inlet Quantity1
Muffler TypeCombination
Outlet 1 Outside Diameter2
Outlet 1 TypeTip
Outlet ConfigurationOffset
Outlet Quantity1
ShapeOval

This part fits 16 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
2004SubaruLegacySedan2.5LH4N/APremium; with Dual Catalytic Converters; Limited Lifetime Warranty; Quiet-Flow SS
2004SubaruLegacySedan2.5LH4N/APremium; with 3 Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow SS
2004SubaruOutbackSedan2.5LH4N/APremium; with 3 Catalytic Converter; Limited Lifetime Warranty; Quiet-Flow SS
2004SubaruOutbackSedan2.5LH4N/APremium; with Dual Catalytic Converters; Limited Lifetime Warranty; Quiet-Flow SS
2004SubaruOutbackSedan3.0LH6N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2003SubaruLegacySedan2.5LH4N/APremium; with Dual Catalytic Converters; Limited Lifetime Warranty; Quiet-Flow SS
2003SubaruOutbackSedan2.5LH4N/APremium; with Dual Catalytic Converters; Limited Lifetime Warranty; Quiet-Flow SS
2003SubaruOutbackSedan3.0LH6N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2002SubaruLegacySedan2.5LH4N/APremium; with Dual Catalytic Converters; Limited Lifetime Warranty; Quiet-Flow SS
2002SubaruOutbackSedan2.5LH4N/APremium; with Dual Catalytic Converters; Limited Lifetime Warranty; Quiet-Flow SS
2002SubaruOutbackSedan3.0LH6N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2001SubaruLegacySedan2.5LH4N/APremium; with Dual Catalytic Converters; Limited Lifetime Warranty; Quiet-Flow SS
2001SubaruOutback3.0LH6N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2001SubaruOutbackSedan2.5LH4N/APremium; with Dual Catalytic Converters; Limited Lifetime Warranty; Quiet-Flow SS
2000SubaruLegacySedan2.5LH4N/APremium; with Dual Catalytic Converters; Limited Lifetime Warranty; Quiet-Flow SS
2000SubaruOutbackSedan2.5LH4N/APremium; with Dual Catalytic Converters; Limited Lifetime Warranty; Quiet-Flow SS

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

229-009279-00774807486

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.