AP Exhaust 58454 Exhaust Pipe - Center or Rear

AP Exhaust 58454 Exhaust Pipe Overview

AP Exhaust 58454 is an aluminized steel exhaust pipe built as an original equipment replacement for select GM applications. It is engineered for vehicles that used a welded OE exhaust assembly, making it a direct-fit service part for restoring the exhaust path on compatible Buick, Chevrolet, and Pontiac models.

Compatible With 2003-2005 Chevrolet Impala, 2003-2005 Chevrolet Monte Carlo, 2003-2004 Buick Regal, 2003-2005 Buick Century, 2003 Pontiac Grand Prix, 2005-2009 Buick LaCrosse, 2005-2007 Buick Allure, and 2005-2008 Pontiac Grand Prix. AP Exhaust 58454 is a practical replacement when servicing a worn or damaged center, rear, or N/A exhaust section on these applications.

Key Features

• Aluminized steel construction for exhaust system service
• Original equipment replacement part
• Direct-fit exhaust pipe for select GM vehicles
• Supports welded OE system replacement on listed applications
• Fits center, rear, and N/A positions depending on vehicle application

Detailed Description

AP Exhaust 58454 is an OE-style exhaust pipe for vehicles that left the factory with a welded exhaust assembly. The aluminized steel material is commonly used in exhaust service parts for its balance of durability and corrosion resistance in everyday driving conditions. This part number is listed for multiple Buick, Chevrolet, and Pontiac models, including the Buick LaCrosse, Chevrolet Impala, and Pontiac Grand Prix, with fitment varying by year and exhaust position.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

• Rust-through or corrosion in the exhaust pipe section
• Cracks or leaks in a welded OE exhaust assembly
• Exhaust noise caused by a damaged pipe
• Restricted exhaust flow from a deteriorated pipe
• Service needs on center or rear exhaust routing for listed vehicles

Installation Notes and Tips

• Verify the vehicle year, make, model, and exhaust position before ordering.
• Match the listed OE system configuration, especially on welded-assembly applications.
• Inspect adjoining exhaust components for wear before installation.
• Use the fitment notes to confirm whether the application is single exhaust.

Quality Assurance

AP Exhaust 58454 is an original equipment replacement exhaust pipe built to service the listed factory applications. Its aluminized steel construction and OE-replacement designation support accurate fitment for compatible Buick, Chevrolet, and Pontiac models.