Walker
Quiet-Flow SS

Walker 53566 Exhaust Muffler Assembly - Left

Brand Walker 53566
Position Left
Inlet Outside Diameter 2
Finish Aluminized
Body Diameter 9
Inlet Type 2 bolt welded flange
Outlet Type Tip
Body Height 7
Body Length 12
Muffler Material Stainless steel
Muffler Shape Oval
Overall Length 25.875
Body Material Stainless steel
Body Width 9
Grade Type Regular
Inlet 1 Outside Diameter 2
Inlet 1 Type 2 bolt welded flange
Inlet Configuration Offset
Inlet Quantity 1
Muffler Type Combination
Outlet 1 Outside Diameter 2
Outlet 1 Type Tip
Outlet Configuration Offset
Outlet Quantity 1
Shape Oval
Product line Quiet-Flow SS
Fits Mazda · 16 vehicles

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

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

Oval combination design. Built as a muffler assembly with a welded flange inlet and tip outlet.

Cross-references 171-039 and 7273 for the same application. See all 2.

$181.62Free shipping
Out of stock
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Step 2 — Quantity
Order total $181.62
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS 53566 is a direct-fit exhaust muffler assembly built for OE-style replacement on select Mazda 6 applications. It combines stainless-steel muffler construction with a combination muffler design to support longer service life than typical aluminized mufflers.

Compatible with 2003-2008 Mazda 6, left side applications, this muffler assembly is shaped for a factory-style fit and finish. The Walker Quiet-Flow SS line focuses on replacement parts that match original exhaust routing while using stainless-steel materials for added durability.

Key Features

  • Part number 53566
  • Walker Quiet-Flow SS product line
  • Exhaust muffler assembly with OE-style direct fit
  • Stainless steel muffler and body construction
  • Oval muffler shape with offset inlet and outlet configuration
  • 2-inch inlet outside diameter and 2-inch outlet outside diameter
  • 2-bolt welded flange inlet type
  • Fits 2003-2008 Mazda 6, left side

Detailed Description

Walker 53566 is an exhaust muffler assembly engineered for drivers replacing a worn or damaged rear exhaust component on the Mazda 6. The Quiet-Flow SS line uses stainless-steel construction for the muffler and body, helping provide a more durable replacement than standard aluminized designs. Its oval shape, offset inlet and outlet layout, and tip-style outlet support a factory-style installation and appearance.

This part cross-references Monroe Shocks & Struts (e.g., 171-039, 7273) for the same application. For buyers searching for a Mazda 6 left muffler assembly, Walker 53566 offers a direct-fit replacement path for 2003-2008 Mazda 6 models listed in the fitment data.

What It Helps Address

  • Rust or corrosion in the original muffler assembly
  • Exhaust noise caused by a failing muffler
  • Restricted exhaust flow from internal muffler damage
  • Factory-style replacement needs for a left-side Mazda 6 exhaust repair
  • Fitment-specific replacement searches for 2003-2008 Mazda 6, left

Installation Notes and Tips

Verify inlet and outlet diameter, flange style, and left-side fitment before installation. This assembly uses a 2-bolt welded flange inlet and offset inlet/outlet configuration, so matching the existing exhaust routing is important for proper alignment. Confirm vehicle trim and emissions configuration against the fitment notes, including the SULEV exclusion where listed.

Quality Assurance

Walker Quiet-Flow SS muffler assemblies are positioned as stainless-steel, OE-style replacement parts for domestic and foreign vehicles. The stainless-steel construction is intended to provide longer life than typical aluminized mufflers while maintaining direct-fit replacement characteristics.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
2008Mazda6——2.3LL4LeftPremium; Except Super Ultra Low Emission Vehicle (SULEV); Limited Lifetime Warranty; Quiet-Flow SS
2008Mazda6S—3.0LV6LeftPremium; Limited Lifetime Warranty; Quiet-Flow SS
2007Mazda6SSedan3.0LV6LeftPremium; Limited Lifetime Warranty; Quiet-Flow SS
2007Mazda6SHatchback3.0LV6LeftPremium; Limited Lifetime Warranty; Quiet-Flow SS
2007Mazda6——2.3LL4LeftPremium; Except Super Ultra Low Emission Vehicle (SULEV); Limited Lifetime Warranty; Quiet-Flow SS
2006Mazda6SSedan3.0LV6LeftPremium; Limited Lifetime Warranty; Quiet-Flow SS
2006Mazda6SHatchback3.0LV6LeftPremium; Limited Lifetime Warranty; Quiet-Flow SS
2006Mazda6——2.3LL4LeftPremium; Except Super Ultra Low Emission Vehicle (SULEV); Limited Lifetime Warranty; Quiet-Flow SS
2005Mazda6SSedan3.0LV6LeftPremium; Limited Lifetime Warranty; Quiet-Flow SS
2005Mazda6SHatchback3.0LV6LeftPremium; Limited Lifetime Warranty; Quiet-Flow SS
2005Mazda6——2.3LL4LeftPremium; Except Super Ultra Low Emission Vehicle (SULEV); Limited Lifetime Warranty; Quiet-Flow SS
2004Mazda6——2.3LL4LeftPremium; Except Super Ultra Low Emission Vehicle (SULEV); Limited Lifetime Warranty; Quiet-Flow SS
2004Mazda6—Sedan3.0LV6LeftPremium; Limited Lifetime Warranty; Quiet-Flow SS
2004Mazda6—Hatchback3.0LV6LeftPremium; Limited Lifetime Warranty; Quiet-Flow SS
2003Mazda6——2.3LL4LeftPremium; Except Super Ultra Low Emission Vehicle (SULEV); Limited Lifetime Warranty; Quiet-Flow SS
2003Mazda6——3.0LV6LeftPremium; 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.
171-0397273