Walker
Quiet-Flow SS

Walker 53681 Exhaust Muffler Assembly - Left

Brand Walker 53681
Position Left
Inlet Outside Diameter 1.75
Finish Aluminized
Body Diameter 11
Inlet Type 2 bolt welded flange
Outlet Type Tip
Body Height 5.5
Body Length 15
Muffler Material Stainless steel
Muffler Shape Oval
Overall Length 23
Body Material Stainless steel
Body Width 11
Grade Type Regular
Inlet 1 Outside Diameter 1.75
Inlet 1 Type 2 bolt welded flange
Inlet Configuration Offset
Inlet Quantity 1
Muffler Type Combination
Outlet 1 Outside Diameter 2.25
Outlet 1 Type Tip
Outlet Configuration Offset
Outlet Quantity 1
Shape Oval
Product line Quiet-Flow SS
Fits Acura · 5 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’s muffler family for domestic and foreign vehicles.

Cross-references 163-759 and 2553 for the same application. See all 2.

$147.19Free shipping
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Order total $147.19
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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 53681 is a direct-fit exhaust muffler assembly built for the left side of select Acura TSX models. It combines stainless-steel construction with an OE-style replacement layout to support longer service life than typical aluminized mufflers.

For drivers searching for a replacement muffler for 2004-2008 Acura TSX left side applications, this assembly follows the original fitment pattern and uses a 2-bolt welded flange inlet with an offset configuration. The oval body and tip outlet help match the factory exhaust routing on the vehicle.

Key Features

  • Walker Quiet-Flow SS line for OE-style exhaust replacement
  • Stainless-steel muffler body and stainless-steel muffler material
  • Oval muffler shape with 11-inch body diameter
  • Offset inlet and offset outlet configuration
  • 1.75-inch inlet outside diameter with 2-bolt welded flange
  • 2.25-inch tip outlet
  • Overall length: 23 inches
  • Fits 2004-2008 Acura TSX, left

Product Details

Walker Quiet-Flow SS 53681 is engineered as a direct-fit exhaust muffler assembly for the Acura TSX. The stainless-steel construction is intended to provide improved durability compared with standard aluminized mufflers, while the OE-style layout helps maintain factory-like exhaust routing and fit. This part cross-references Monroe Shocks & Struts (e.g., 163-759, 2553) for the same application.

For Acura TSX exhaust repair, this muffler assembly is a practical replacement when the original unit is rusted, noisy, or no longer sealing correctly. The combination muffler design, offset inlet, and tip outlet support a factory-style installation on the left side of the vehicle.

Common Replacement Reasons

  • Exhaust noise from a corroded or damaged muffler
  • Rust-through on the original left-side muffler assembly
  • Restricted exhaust flow caused by internal deterioration
  • Failed sealing at the flange connection
  • Need for an OE-style replacement on 2004-2008 Acura TSX left side exhaust systems

Installation Notes

Verify inlet diameter, outlet diameter, and flange style before installation. This Walker Quiet-Flow SS 53681 muffler assembly uses a 2-bolt welded flange inlet and offset routing, so alignment with the existing exhaust system should be checked before final tightening. Confirm left-side fitment on 2004-2008 Acura TSX models and inspect adjoining exhaust components for wear or corrosion.

Quality Assurance

Walker Quiet-Flow SS muffler assemblies are built with stainless-steel construction and direct-fit OE-style dimensions for domestic and foreign vehicle applications. Walker positions the Quiet-Flow SS line as a longer-life replacement option compared with typical aluminized mufflers.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2008AcuraTSX2.4LL4LeftPremium; Limited Lifetime Warranty; Quiet-Flow SS
2007AcuraTSX2.4LL4LeftPremium; Limited Lifetime Warranty; Quiet-Flow SS
2006AcuraTSX2.4LL4LeftPremium; Limited Lifetime Warranty; Quiet-Flow SS
2005AcuraTSX2.4LL4LeftPremium; Limited Lifetime Warranty; Quiet-Flow SS
2004AcuraTSX2.4LL4LeftPremium; 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.
163-7592553