Bosal
BRExhaust Direct-Fit Exhaust Muffler Assembly

Bosal 145-761 Exhaust Muffler Assembly - Rear

Brand Bosal 145-761
Position Rear
Inlet Outside Diameter 2
Finish Aluminized
Inlet Type Sleeved
Outlet Type Tip
Body Height 6.25
Body Length 15.75
Muffler Material Aluminized steel
Muffler Shape Oval
Overall Length 28.75
Body Width 10.5
Inlet Quantity 1
Outlet Outside Diameter 2
Outlet Quantity 1
Pipe Material Aluminized steel
Series Direct-fit exhaust
Subtitle Direct-fit
Title Direct-fit premium muffler assembly
Product line BRExhaust Direct-Fit Exhaust Muffler Assembly
Fits Nissan · 4 vehicles

Direct-fit configuration. Bolt-on installation with no modifications required.

Aluminized steel construction. Helps resist corrosion for longer service life.

Quiet performance. Interior design helps reduce noise and backpressure.

$142.06Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $142.06
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Direct-Fit Muffler Assembly for OE-Style Replacement

The Bosal BRExhaust Direct-Fit Exhaust Muffler Assembly is built for a factory-like exhaust note and straightforward replacement on select vehicles. This aluminized steel muffler assembly uses a direct-fit layout for bolt-on installation and is engineered for low backpressure, corrosion protection, and quiet operation.

Compatible with 1998-2001 Nissan Altima rear applications, this Bosal 145-761 is a practical choice when replacing a worn rear silencer on an import sedan. The oval muffler body and sleeved inlet help maintain OE-style fitment and exhaust routing.

Key Features

  • Direct-fit exhaust muffler assembly for OE-style replacement
  • Fits 1998-2001 Nissan Altima, rear
  • Aluminized steel muffler and pipe construction for corrosion resistance
  • Oval muffler shape with factory-like sound characteristics
  • 16-gauge steel tubing for durable exhaust service
  • 2-inch inlet and 2-inch outlet sizing
  • Sleeved inlet and tip-style outlet configuration
  • Designed for low backpressure and quiet exhaust flow

Product Details

The Bosal BRExhaust Direct-Fit Exhaust Muffler Assembly line is focused on OE-style replacement parts that match factory fit and sound characteristics. This part number 145-761 uses a direct-fit configuration, so it installs without modifications on the listed Nissan Altima rear application. The aluminized finish and aluminized steel construction help resist corrosion, while the internal muffler design is built to reduce exhaust noise without creating unnecessary restriction.

For shoppers searching for a 1998-2001 Nissan Altima rear muffler assembly, rear silencer replacement, or Bosal 145-761 exhaust muffler assembly, this unit provides a direct replacement path for restoring exhaust function and sound quality.

Common Problems This Part Can Address

  • Exhaust noise from a rusted or damaged rear muffler
  • Factory exhaust tone that has become louder over time
  • Corrosion-related failure in the rear silencer section
  • Restricted exhaust flow caused by internal muffler deterioration
  • Fitment issues from a non-OE-style replacement part

Installation Notes and Tips

Install this muffler assembly on the rear position of the listed Nissan Altima application. The direct-fit design is intended for bolt-on replacement, but the existing exhaust condition should be inspected before installation to confirm the surrounding pipes, hangers, and connections are serviceable. Verify inlet and outlet sizing before beginning the job, and compare the original routing to the new assembly for proper alignment.

Search terms commonly used for this part include 1998 Nissan Altima rear muffler assembly, 1999-2001 Nissan Altima rear silencer replacement, and Bosal 145-761 direct-fit exhaust muffler assembly.

Quality Assurance

Built by Bosal, a supplier known for OE-style exhaust components, this BRExhaust muffler assembly is designed to deliver factory-like performance, controlled sound, and a direct replacement fit for the listed application.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2001NissanAltima2.4LL4RearRear Silencer; BRExhaust Direct-Fit Exhaust Muffler Assembly
2000NissanAltima2.4LL4RearRear Silencer; BRExhaust Direct-Fit Exhaust Muffler Assembly
1999NissanAltima2.4LL4RearRear Silencer; BRExhaust Direct-Fit Exhaust Muffler Assembly
1998NissanAltima2.4LL4RearRear Silencer; BRExhaust Direct-Fit Exhaust Muffler Assembly