Bosal 145-709 Exhaust Muffler Assembly - Rear

Direct-Fit Exhaust Muffler Assembly for Sentra

Bosal BRExhaust Part Number 145-709 is a direct-fit exhaust muffler assembly built for OE-style replacement on select Nissan Sentra rear applications. It is engineered for factory-like sound control, low backpressure, and corrosion resistance, with a flanged inlet and tip outlet for a bolt-on installation.

Compatible with 2000-2006 Nissan Sentra, rear, this Bosal 145-709 muffler assembly is a practical replacement for a worn, noisy, or rusted rear silencer. The aluminized steel construction and oval muffler body support durable everyday use while maintaining a quiet exhaust note.

BRExhaust Direct-Fit Series Details

The BRExhaust Direct-Fit Exhaust Muffler Assembly line is designed as an OE-style replacement solution for import and domestic vehicles. This product line focuses on direct-fit geometry, factory-like acoustics, and reduced installation complexity, making it a straightforward choice when replacing the rear muffler on a Nissan Sentra.

• Direct-fit exhaust muffler assembly for rear installation
• Aluminized steel muffler and pipe construction
• Oval muffler shape with aluminized finish
• Flanged inlet with 2-bolt flange design
• Single inlet and single 2-inch outlet
• Built for OE-style sound control and low backpressure
• Designed for 2000-2006 Nissan Sentra rear applications

Product Description

Bosal 145-709 is constructed from 16-gauge steel tubing and fully aluminized for added corrosion protection. The internal muffler design is intended to reduce exhaust noise while preserving smooth exhaust flow, and the direct-fit configuration supports a bolt-on replacement without modifications. With an overall length of 34 inches, a 15.75-inch body length, and a 10.5-inch body width, this rear muffler assembly is shaped to match the original exhaust layout on the Nissan Sentra.

This part cross-references OE-style replacement numbers 20100-4Z000 and 20100-5M020 for the same application. If you are searching for a rear silencer replacement for a 2000-2006 Nissan Sentra, Bosal 145-709 provides a direct-fit option built around factory-style fitment and sound characteristics.

Common Replacement Reasons

• Rust or corrosion in the rear muffler assembly
• Excess exhaust noise from a damaged silencer
• Restricted exhaust flow caused by internal deterioration
• Need for a direct-fit rear muffler replacement on a Nissan Sentra
• Factory exhaust tone no longer maintained by the original part

Installation Notes and Tips

Verify the vehicle’s rear exhaust configuration before ordering, since this assembly is specified for 2000-2006 Nissan Sentra rear applications. The flanged inlet and direct-fit layout are intended to simplify installation, but the existing exhaust flange condition should be inspected before assembly. Confirm outlet diameter and overall length against the original part when replacing a rear muffler on a Sentra.

Quality Assurance

Bosal manufactures this BRExhaust muffler assembly as an OE-style replacement part with aluminized steel construction and corrosion protection in mind. The design emphasizes factory-like sound control, low backpressure, and direct-fit compatibility for the listed Nissan Sentra applications.