Walker 21922 Exhaust Muffler - Left

Walker Quiet-Flow Muffler for Infiniti

Walker Quiet-Flow 21922 is a specific-fit exhaust muffler built for OE-style sound control and steady exhaust flow. It is engineered for the left side on select 2006-2010 Infiniti M35 and M45 applications, making it a direct-match option for drivers replacing a worn or noisy rear exhaust component.

The Quiet-Flow line focuses on balanced performance and factory-like acoustics. For shoppers searching for a Walker 21922 muffler, this part delivers a combination-style muffler design with an oval steel body and dual-tip outlet layout.

Key Features

• Specific-fit exhaust muffler for select Infiniti applications
• Walker Quiet-Flow line for OE-style sound and flow characteristics
• Oval steel body with painted finish
• Offset inlet with 2-bolt welded flange connection
• Dual outlet design with 2.75 in. outside diameter tips
• Combination muffler type for exhaust replacement service
• Fits 2006-2010 Infiniti M35, left
• Fits 2006-2010 Infiniti M45, left

Detailed Description

Walker 21922 is an exhaust muffler designed for the left side of 2006-2010 Infiniti M35 and M45 models. Its oval steel construction, offset inlet, and dual-tip outlet configuration support a factory-style replacement for vehicles that need a direct-fit muffler with OE-like sound characteristics. The Quiet-Flow product line is built for drivers who want controlled exhaust tone and consistent flow without changing the vehicle’s original character.

This part cross-references BRExhaust 145-279 for the same application. If you are replacing a worn muffler on an Infiniti M35 or Infiniti M45, Walker 21922 provides a fitment-specific solution that matches the listed inlet and outlet configuration.

Common Replacement Reasons

• Exhaust noise from a rusted or damaged muffler
• Reduced sound control from internal muffler wear
• Corrosion at the muffler body or flange connection
• Need for a left-side replacement on Infiniti M35 or M45
• Factory exhaust tone no longer maintained

Installation Notes

Verify the vehicle’s left-side exhaust layout, inlet flange style, and outlet configuration before installation. This muffler uses a 2-bolt welded flange inlet and dual 2.75 in. outlets, so matching the existing exhaust routing is important for proper fit. Professional exhaust installation is recommended when replacing a welded or flange-connected muffler.

Quality Assurance

Walker Quiet-Flow mufflers are backed by Walker’s limited lifetime warranty and a 90-day Safe and Sound guarantee. The Quiet-Flow line is positioned for top-selling domestic and foreign vehicles, with a focus on controlled sound and dependable replacement fitment.