HomeWalker 53261 Exhaust Muffler Assembly
Part #: 53261

Walker 53261 Exhaust Muffler Assembly

Quiet-Flow SS
4 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$183.06Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
Quiet-Flow SS
Fitment: Nissan, Altima
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS 53261 is a direct-fit exhaust muffler assembly built for the 1998-2001 Nissan Altima. It combines stainless-steel construction with an OE-style pipe connection layout to replace the factory muffler with a serviceable, vehicle-specific part.

The Quiet-Flow SS line focuses on longer service life than typical aluminized mufflers, while maintaining a factory-style fit for domestic and foreign applications. For Nissan Altima owners searching for a replacement exhaust muffler assembly, part number 53261 matches the original-style offset inlet and outlet configuration.

Key Features

  • Direct-fit exhaust muffler assembly for 1998-2001 Nissan Altima
  • Stainless-steel muffler body and muffler material for improved corrosion resistance
  • Oval muffler shape with 11-inch body diameter and 29.25-inch overall length
  • Offset inlet and outlet configuration with 2-inch pipe connections
  • OE-style replacement from Walker Quiet-Flow SS
  • Part number 53261 for catalog and fitment reference

Product Details

Walker Quiet-Flow SS 53261 is an exhaust muffler assembly with a combination muffler design, oval body, and pipe connection inlet and outlet. The stainless-steel body measures 17 inches long, 11 inches wide, and 5.5 inches high, supporting a factory-style replacement for the Nissan Altima exhaust system. This part cross-references BRExhaust 145-761 and OSC 2299 for the same application.

For buyers comparing Nissan Altima muffler replacement options, 53261 provides a direct-fit solution that follows the original offset inlet and outlet layout. It is a practical choice when replacing a worn, noisy, or corroded rear exhaust muffler on 1998-2001 Nissan Altima models.

What This Muffler Helps Address

  • Exhaust noise from a damaged or rusted muffler
  • Corrosion-related muffler failure on the Nissan Altima exhaust system
  • Factory exhaust fitment issues caused by a non-OE replacement part
  • Leaks at the muffler connection points
  • Reduced exhaust system service life from a typical aluminized muffler

Installation Notes

Fits 1998-2001 Nissan Altima, N/A. Verify inlet and outlet diameter, offset configuration, and overall length against the original muffler before installation. Because this is a pipe-connection muffler assembly, proper alignment of the exhaust hangers and adjoining pipes is important for a secure fit.

Quality Assurance

Walker Quiet-Flow SS is positioned as a stainless-steel OE-style replacement line for domestic and foreign vehicles. Part number 53261 is built to match the specified application for 1998-2001 Nissan Altima models and is supported by the Quiet-Flow SS product line’s focus on longer-lasting stainless-steel construction.

BrandWalker
Part Number53261
PositionQuiet-Flow SS
Inlet Outside Diameter2
FinishAluminized
Body Diameter11
Inlet TypePipe connection
Outlet TypePipe connection
Body Height5.5
Body Length17
Muffler MaterialStainless steel
Muffler ShapeOval
Overall Length29.25
Body MaterialStainless steel
Body Width11
Grade TypeRegular
Inlet 1 Outside Diameter2
Inlet 1 TypePipe connection
Inlet ConfigurationOffset
Inlet Quantity1
Muffler TypeCombination
Outlet 1 Outside Diameter2
Outlet 1 TypePipe connection
Outlet ConfigurationOffset
Outlet Quantity1
ShapeOval

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2001NissanAltima2.4LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
2000NissanAltima2.4LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
1999NissanAltima2.4LL4N/APremium; Limited Lifetime Warranty; Quiet-Flow SS
1998NissanAltima2.4LL4N/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:

145-7612299

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