AP Exhaust 38863 Exhaust Pipe - Left

AP Exhaust 38863 Exhaust Pipe Overview

AP Exhaust 38863 is a left-side exhaust pipe built from aluminized steel for OE replacement service. It is designed for direct-fit repair on select Chevrolet Silverado 2500 HD, Silverado 3500, Silverado 3500 Classic, GMC Sierra 2500 HD, and Sierra 3500 applications where the factory exhaust used a welded assembly.

Use AP Exhaust 38863 when replacing a damaged or corroded left exhaust pipe on the 2001-2007 Chevrolet Silverado and GMC Sierra platform. The aluminized steel construction supports corrosion resistance in everyday truck use, and the OE replacement design follows the original exhaust layout for the listed applications.

Key Features

• Aluminized steel construction
• OE replacement exhaust pipe
• Left-side position
• Direct-fit service part for listed truck applications
• Designed for vehicles with factory welded exhaust assemblies

Vehicle Fitment

• Fits 2007 Chevrolet Silverado 3500 Classic, left, (133" W.B.); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
• Fits 2007 Chevrolet Silverado 3500 Classic, left, (133" W.B.); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; 4WD; Cab-Chassis; 133", 157.5" & 167" W.B.; CLASSIC
• Fits 2007 GMC Sierra 3500 Classic, left, (133" W.B.); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
• Fits 2007 GMC Sierra 3500 Classic, left, (133" W.B.); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; 4WD; Cab-Chassis; 133", 157.5" & 167" W.B.; CLASSIC
• Fits 2001-2006 Chevrolet Silverado 2500 HD, left, (133" WB); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
• Fits 2004-2006 Chevrolet Silverado 3500, left, (133" W.B.); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
• Fits 2004-2006 Chevrolet Silverado 3500, left, (133" W.B.); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; 4WD; 133", 157.5" & 167" W.B.; (Exc. HD Series and Cab & Chassis Models)
• Fits 2001-2006 GMC Sierra 2500 HD, left, (133" WB); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
• Fits 2004-2006 GMC Sierra 3500, left, (133" W.B.); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
• Fits 2004-2006 GMC Sierra 3500, left, (133" W.B.); OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.; 4WD; 133", 157.5" & 167" W.B.; (Exc. HD Series and Cab & Chassis Models)

Common Repair Uses

• Repairing a rusted or perforated left exhaust pipe
• Replacing a factory welded exhaust section on Silverado and Sierra trucks
• Restoring exhaust routing after impact or underbody damage
• Addressing exhaust leaks caused by corrosion at the pipe section
• Returning the exhaust system to OE-style layout on listed applications

Installation Notes

Confirm wheelbase, drivetrain, cab/chassis configuration, and model designation before installation. This part number, AP Exhaust 38863, is listed for left-side applications only, and several fitments note that the OE system was a welded assembly. On those vehicles, related exhaust components noted in the catalog should be inspected and replaced as needed to complete the repair.

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

Quality Assurance

AP Exhaust lists this part as an OE replacement exhaust pipe made from aluminized steel for the specified Chevrolet Silverado and GMC Sierra applications. Part number 38863 is cataloged for direct replacement use on the vehicles shown above.