AP Exhaust 700450 Exhaust Muffler - Rear

AP Exhaust 700450 Rear Muffler for Impala and Monte Carlo

AP Exhaust 700450 is a rear exhaust muffler built for direct-fit replacement on select Chevrolet applications. It uses an aluminized steel body with an oval shape and baffled construction to match OE-comparable sound levels while fitting the factory exhaust layout.

• Part number: 700450
• Body material: aluminized steel
• Oval muffler design with baffled internal construction
• OE comparable sound level
• Inlet: 2.25 in. pipe, right lower location
• Outlet: 2.25 in. spout, center lower location
• Overall length: 29.5 in.
• Series: MSL
• Direct-fit rear muffler application

Fitment and Application

Compatible with 2006-2011 Chevrolet Impala, rear, and 2006-2007 Chevrolet Monte Carlo, rear. This AP Exhaust 700450 muffler is intended for vehicles with the factory rear exhaust layout noted in the fitment data, including applications where the OE system was a welded assembly.

The AP Exhaust 700450 is a practical replacement for drivers searching for a rear muffler for 2006-2011 Chevrolet Impala or a direct-fit muffler for 2006-2007 Chevrolet Monte Carlo. It is shaped and sized to align with the original exhaust routing while maintaining an OE-like sound profile.

Key Features

• Fits 2006-2011 Chevrolet Impala, rear
• Fits 2006-2007 Chevrolet Monte Carlo, rear
• Aluminized steel construction for exhaust system service use
• Baffled muffler design
• Oval body with 7 in. height, 9 in. width, and 14 in. body length
• Single inlet and single outlet configuration
• OE comparable sound level

What This Muffler Helps Address

• Exhaust noise from a worn or damaged rear muffler
• Rust-related deterioration in the muffler body
• Fitment issues when replacing a factory welded rear muffler assembly
• Loss of original exhaust tone after corrosion or internal failure
• Need for a direct-fit rear muffler on Impala and Monte Carlo applications

Installation Notes and Tips

Verify inlet and outlet orientation before installation: the inlet is located on the right lower side and the outlet exits at the center lower position. Because the OE system was a welded assembly on the listed vehicles, related exhaust parts noted in the vehicle service information should be inspected and replaced as needed during installation. Confirm the exhaust path, hanger condition, and pipe alignment before final tightening.

Quality Assurance

AP Exhaust 700450 is built as a regular-grade replacement muffler in the MSL series for direct-fit service on the listed Chevrolet applications. Its aluminized steel body and baffled internal design support OE-style exhaust replacement needs for Impala and Monte Carlo models.