Bosal 285-825 Exhaust Muffler Assembly - Rear

Direct-Fit Muffler Assembly for Toyota Tundra

The Bosal BRExhaust Direct-Fit Exhaust Muffler Assembly is built for OE-style exhaust replacement on select Toyota Tundra applications. It uses a direct-fit configuration for bolt-on installation and is engineered to maintain a factory-like sound with low backpressure and corrosion protection.

For drivers searching for a rear muffler assembly for 2000-2006 Toyota Tundra or a 2003 Toyota Tundra rear silencer, this Bosal BRExhaust part number 285-825 provides a direct replacement layout with aluminized steel construction.

Key Features

• Direct-fit exhaust muffler assembly for rear position applications
• Fits 2000-2006 Toyota Tundra, rear
• Fits 2003 Toyota Tundra, rear, Federal Emissions Equipped
• Aluminized steel muffler and pipe construction
• Oval muffler body with flared inlet and tip outlet
• Designed for OE-style sound control and reduced exhaust noise
• Built with 16-gauge steel tubing and aluminized finish for corrosion resistance
• Outlet outside diameter: 2.5 in.
• Overall length: 84 in.

Product Details

Part number 285-825 is part of the Bosal BRExhaust Direct-Fit Exhaust Muffler Assembly line, a product line focused on OE-style exhaust replacement with direct-fit geometry and factory-like acoustics. This muffler assembly uses an oval aluminized steel body, flared inlet, and tip-style outlet to match the original exhaust routing on the specified Toyota Tundra rear silencer applications. The internal muffler design is intended to reduce exhaust noise while keeping backpressure low for stable exhaust flow.

Because this assembly is built as a direct-fit replacement, it supports a straightforward bolt-on installation on the listed Toyota Tundra fitments without requiring custom fabrication. The Bosal 285-825 is a practical choice when replacing a worn rear muffler assembly on a Toyota Tundra and when maintaining OE-style exhaust tone matters.

What This Part Helps Address

• Exhaust noise from a worn or damaged rear muffler
• Rust or corrosion on the existing muffler assembly
• Restricted exhaust flow caused by internal deterioration
• Factory sound changes after muffler failure
• Need for a direct replacement on a Toyota Tundra rear exhaust section

Installation Notes

Install as a rear-position exhaust muffler assembly on the listed Toyota Tundra applications. Verify inlet and outlet orientation, overall length, and outlet diameter before installation. Because this is a direct-fit design, it is intended to align with the original exhaust routing and mounting points for the confirmed fitments. Professional installation is recommended when replacing a rear silencer assembly.

Quality Assurance

Bosal manufactures this BRExhaust muffler assembly as an OE-style replacement component using aluminized steel and corrosion-resistant construction. The design emphasizes factory-like sound control, low backpressure, and fitment accuracy for the listed Toyota Tundra applications.