2001-2010 GM Duramax 6.6L Diesel | Downpipe-Back Single Exhaust System

Upgrade your Duramax with this premium Downpipe-Back Exhaust System, designed to improve exhaust flow, deliver a deeper exhaust tone, and provide a clean, aggressive look. Manufactured from high-quality aluminized or stainless steel tubing (depending on configuration), this direct bolt-on system is built for durability and long-lasting performance.

Designed to fit LB7, LLY, LBZ, and LMM powered Chevrolet Silverado and GMC Sierra HD trucks, this exhaust installs using factory mounting locations with no cutting or welding required.

Features

• Fits 2001-2010 GM 6.6L Duramax Diesel
• Compatible with LB7, LLY, LBZ & LMM
• Downpipe-back single exhaust design
• Mandrel-bent tubing for maximum exhaust flow
• Direct bolt-on installation
• Uses factory mounting locations
• Aggressive, deep exhaust tone
• Corrosion-resistant construction
• All required clamps and hardware included

Kit Includes

• Downpipe-back exhaust tubing
• Intermediate pipes
• Tailpipe section
• Exhaust clamps
• Hangers (where applicable)
• Installation hardware

Vehicle Fitment

• 2001-2004 Chevrolet Silverado 2500HD/3500HD – 6.6L Duramax LB7
• 2004.5-2005 Chevrolet Silverado 2500HD/3500HD – 6.6L Duramax LLY
• 2006-2007 Chevrolet Silverado 2500HD/3500HD – 6.6L Duramax LBZ
• 2007.5-2010 Chevrolet Silverado 2500HD/3500HD – 6.6L Duramax LMM
• 2001-2010 GMC Sierra 2500HD/3500HD – 6.6L Duramax Diesel

Note: Professional installation is recommended. Please verify cab/bed configuration and wheelbase compatibility before ordering.

OFF-ROAD USE ONLY: This exhaust system is intended for off-road or competition-use vehicles only where applicable. The purchaser is responsible for ensuring compliance with all federal, state, and local laws and regulations.