AP Exhaust 700427 Exhaust Muffler - Rear

AP Exhaust 700427 Rear Muffler for Malibu

AP Exhaust 700427 is a direct-fit exhaust muffler for select Chevrolet Malibu applications. It uses an aluminized steel oval body with a baffled design and OE-comparable sound level for a factory-style exhaust repair.

Key Features

• Part number 700427 from AP Exhaust
• Direct-fit rear muffler for select Chevrolet Malibu models
• Oval muffler body with aluminized steel construction
• Baffled muffler type with OE-comparable sound level
• 1.75 in. inlet and 1.75 in. outlet pipe connections
• Inlet location: right center; outlet location: center
• Overall length: 15 in.; body dimensions: 4.5 in. H x 11 in. W x 12 in. L
• MSL series exhaust muffler

Detailed Description

AP Exhaust 700427 is built for rear exhaust service on 2004-2008 Chevrolet Malibu models listed in the fitment data. The muffler uses an oval aluminized steel body for corrosion resistance in a standard replacement application, while the baffled internal design helps maintain an OE-comparable exhaust note. With a 1.75-inch inlet and 1.75-inch outlet, this AP Exhaust muffler is suited to factory-style exhaust repair where original routing and sound level matter. Search terms such as AP Exhaust 700427 Chevrolet Malibu rear muffler, 2004-2008 Malibu exhaust muffler replacement, and direct-fit MSL muffler for Malibu match this application.

What It Is Used For

• Replacing a worn, rusted, or leaking rear muffler
• Restoring factory-style exhaust sound on a Chevrolet Malibu
• Repairing exhaust flow issues caused by a damaged muffler body
• Addressing exhaust noise from internal muffler failure
• Returning a welded OE exhaust section to service with a direct-fit replacement

Installation Notes and Tips

Fits 2008 Chevrolet Malibu, rear. Fits 2004-2007 Chevrolet Malibu, rear, including 2004 with 2-piece converter design and excluding Classic. Fits 2005-2006 Chevrolet Malibu, N/A. Fits 2004 Chevrolet Malibu, rear, except Malibu Maxx with 3-piece converter design and with 3-piece converter design. The OE system was a welded assembly, so related exhaust parts noted in the fitment data should be inspected and replaced as needed during service. Verify inlet and outlet orientation before installation.

Quality Assurance

AP Exhaust 700427 is an AP Exhaust MSL series muffler built with aluminized steel and a baffled internal configuration for a direct replacement application. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.