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Part #: 53646

Walker 53646 Exhaust Muffler Assembly

Quiet-Flow SS
2 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Quiet-Flow SS
Fitment: INFINITI, G35
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Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS 53646 is a direct-fit exhaust muffler assembly built for the 2003-2004 INFINITI G35. 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 2003-2004 INFINITI G35 exhaust muffler assembly, part number 53646 provides a fit-focused replacement with an oval body, offset inlet, and offset outlet configuration.

Key Features

  • Direct-fit exhaust muffler assembly for the 2003-2004 INFINITI G35
  • Stainless-steel muffler and body construction for improved corrosion resistance
  • Oval muffler shape with an 11-inch body diameter
  • Offset inlet and offset outlet layout for OE-style routing
  • 2.75-inch inlet outside diameter with 2-bolt welded flange connection
  • Tip-style outlet design with dual outlet sizing noted in the application data
  • Walker Quiet-Flow SS product line focused on OE-style replacement fitment

Product Details

Walker Quiet-Flow SS 53646 is engineered as a replacement muffler assembly for the INFINITI G35, using stainless-steel construction in the muffler and body for durability in exhaust service. The assembly measures 23.625 inches overall, with a 13-inch body length, 11-inch body width, and 5.5-inch body height. Its combination muffler design and OE-style flange connection support a factory-like exhaust layout while maintaining the correct inlet and outlet geometry for the listed vehicle application. This part cross-references Anchor 2512 for the same application.

Common Exhaust Issues This Part Can Address

  • Rust or corrosion in the original muffler assembly
  • Exhaust leaks at the muffler connection point
  • Damaged or deteriorated OE-style muffler housing
  • Restricted exhaust flow caused by internal muffler wear
  • Fitment problems when replacing a worn 2003-2004 INFINITI G35 muffler

Installation Notes

Fits 2003-2004 INFINITI G35, N/A. Verify inlet diameter, flange style, and outlet routing against the existing exhaust before installation. Because this is an OE-style replacement muffler assembly, matching the original exhaust configuration is important for proper alignment and sealing. Professional installation is recommended for exhaust system work.

Quality Assurance

Walker Quiet-Flow SS is positioned as a stainless-steel OE-style replacement line for domestic and foreign vehicles. The manufacturer description identifies this application as a premium fitment with a limited lifetime warranty.

BrandWalker
Part Number53646
PositionQuiet-Flow SS
Inlet Outside Diameter2.75
FinishAluminized
Body Diameter11
Inlet Type2 bolt welded flange
Outlet TypeTip
Body Height5.5
Body Length13
Muffler MaterialStainless steel
Muffler ShapeOval
Overall Length23.625
Body MaterialStainless steel
Body Width11
Grade TypeRegular
Inlet 1 Outside Diameter2.75
Inlet 1 Type2 bolt welded flange
Inlet ConfigurationOffset
Inlet Quantity1
Muffler TypeCombination
Outlet 1 Outside Diameter2.75
Outlet 1 TypeTip
Outlet 2 Outside Diameter2
Outlet ConfigurationOffset
Outlet Quantity2
ShapeOval

This part fits 2 vehicles. Search below:

YearMakeModelBody TypeDrive TypeLitersCylindersPositionNotes
2004INFINITIG35SedanRWD3.5LV6N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2003INFINITIG35SedanRWD3.5LV6N/APremium; 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:

145-1652512ST1255S

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