Bosal 229-503 Exhaust Muffler Assembly - Rear Left

Direct-Fit Muffler Assembly for OE-Style Replacement

The Bosal BRExhaust Direct-Fit Exhaust Muffler Assembly is built for drivers who need a factory-style exhaust replacement with direct bolt-on installation. This aluminized steel muffler assembly is shaped for quiet operation, low backpressure, and corrosion resistance, making it a practical choice for Subaru Forester and Subaru Impreza rear-left exhaust service.

Part number 229-503 is part of the BRExhaust Direct-Fit Exhaust line, a product line focused on OE-style fitment and factory-like sound characteristics. For shoppers searching for a Subaru Forester muffler assembly or Subaru Impreza rear silencer replacement, 229-503 provides a direct-fit solution without requiring modifications.

• Direct-fit exhaust muffler assembly for rear-left applications
• Aluminized steel construction with aluminized finish
• Oval muffler body with flanged inlet and tip outlet
• Designed for OE-style sound control and reduced exhaust noise
• Built with 16-gauge steel tubing for durable exhaust service
• Single inlet, single outlet configuration
• Compatible with 2009-2013 Subaru Forester, rear left
• Compatible with 2008-2011 Subaru Impreza, rear left

Detailed Fitment and Function

This Bosal muffler assembly 229-503 is engineered as a rear-left exhaust silencer replacement for the 2009-2013 Subaru Forester and 2008-2011 Subaru Impreza. The oval muffler body measures 6.25 inches high, 10.5 inches wide, and 13.25 inches long, with an overall length of 23 inches and a 2-inch outlet outside diameter. Its flanged inlet uses two bolt holes for a direct connection, while the aluminized steel pipe and muffler materials help resist corrosion in everyday driving conditions.

This part cross-references Subaru OE part number 44300FG040 for the same application.

Common Problems This Part Can Address

• Exhaust noise from a worn or rusted rear muffler assembly
• Corrosion damage in the rear exhaust section
• Factory exhaust tone that has become louder or uneven
• Backpressure changes caused by a deteriorated muffler core or shell
• Fitment issues from a damaged rear-left silencer on Subaru Forester or Subaru Impreza models

Installation Notes and Quality

Installation is direct-fit and bolt-on for the listed applications, with no modifications required when used on the confirmed vehicle fitments. Verify rear-left position, inlet flange style, and outlet diameter before installation to ensure proper alignment with the existing exhaust system. This muffler assembly is constructed by an OE supplier and built to maintain factory-like sound characteristics while supporting corrosion protection and consistent exhaust flow.

Quality assurance is based on Bosal’s OE-style manufacturing approach and the BRExhaust Direct-Fit Exhaust product line.