Walker
Quiet-Flow

Walker 55717 Exhaust Muffler Assembly - Left

Brand Walker 55717
Position Left
Finish Painted
Body Diameter 12
Inlet Type 2 bolt welded flange
Outlet Type Pipe connection
Body Height 6.5
Body Length 18.6
Muffler Material Steel
Muffler Shape Oval
Overall Length 52.125
Body Material Steel
Body Width 12
Grade Type Regular
Inlet 1 Type 2 bolt welded flange
Inlet Configuration Offset
Inlet Quantity 1
Muffler Type Combination
Outlet 1 Outside Diameter 2.625
Outlet 1 Type Pipe connection
Outlet Configuration Offset
Outlet Quantity 1
Shape Oval
Product line Quiet-Flow
Fits Lexus · 16 vehicles

OE-style replacement. Direct-fit muffler assembly for a precise replacement installation.

Steel construction. Steel body and muffler materials provide a durable exhaust housing.

Quiet-Flow design. Engineered for controlled exhaust flow and OE-style sound.

Cross-references 1744038010 and 1744038030 for the same application. See all 2.

$356.75Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $356.75
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Style Exhaust Muffler

Walker Quiet-Flow muffler assembly 55717 is a direct-fit, OE-style replacement built for controlled exhaust flow and OE-style sound. It is shaped and configured for a precise installation on the specified application, with steel construction and a painted finish.

Compatible With Lexus LS460 applications, this muffler assembly uses an offset inlet and offset outlet layout with a 2-bolt welded flange inlet and pipe connection outlet. The oval body design and combination muffler construction support a factory-like exhaust note while maintaining proper flow. Part number 55717 is also referenced by 1744038010 and 1744038030 for the same application.

  • Direct-fit OE-style replacement muffler assembly
  • Steel body and steel muffler construction
  • Oval combination design for controlled exhaust flow
  • Offset inlet and outlet configuration with welded flange connection
  • Painted finish for a clean replacement appearance

Fitment Details

Fits 2007-2017 Lexus LS460, left.

Common Issues Addressed

  • Exhaust noise that has increased from a worn muffler
  • Corrosion or damage in the muffler body or connections
  • Restricted exhaust flow from an aging assembly
  • Fitment problems when replacing a damaged OE-style muffler

Installation Notes

Verify inlet and outlet configuration, overall length, and body dimensions before installation. Confirm left-side fitment for the Lexus LS460 and compare the existing flange and pipe connection style to the replacement part number 55717.

Quality Assurance

Walker Quiet-Flow is positioned as an OE-style replacement line with broad coverage for domestic and foreign vehicles. The design focuses on precision fit, flow, and factory-like sound characteristics.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2017LexusLS460Base4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
2017LexusLS460L4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
2016LexusLS460Base4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
2016LexusLS460L4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
2015LexusLS460Base4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
2015LexusLS460L4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
2014LexusLS460Base4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
2014LexusLS460L4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
2013LexusLS460Base4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
2013LexusLS460L4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
2012LexusLS460—4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
2011LexusLS460—4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
2010LexusLS460—4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
2009LexusLS460—4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
2008LexusLS460—4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
2007LexusLS460—4.6LV8LeftPremium; Limited Lifetime Warranty; Quiet-Flow
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
17440380101744038030