GM Duramax LMM 4" Down-pipe Back Exhaust (2007.5-2010)

The GM Duramax LMM DPF delete exhaust System is a performance-driven upgrade designed for 2007.5-2010 Chevrolet Silverado & GMC Sierra 2500/3500HD 6.6L Duramax trucks. This exhaust system is ideal for those seeking enhanced power and efficiency in off-road and competitive environments.

Vehicle Fitment:

This system fits 2007.5, 2008, 2009, and 2010 Chevrolet Silverado and GMC Sierra 2500/3500HD 6.6L Duramax pickup trucks. However, it does not fit Cab & Chassis trucks or late models with a 3-bolt flange.

Features of LMM DPF delete exhaust :

• 4" Stainless Steel Piping: Crafted from high-quality stainless steel for durability and corrosion resistance.
• Downpipe-Back Design: The system starts from the downpipe, allowing the removal of both the catalytic converter and DPF filter for off-road applications.
• OE-Style Hangers: Installation is made easy with original equipment-style hangers, ensuring a secure fit.
• Maximum Flow: The system provides optimal exhaust flow, enhancing overall engine efficiency, making it perfect for competitive use.
• No Bungs: Simplified design without emissions-related bungs.
• Increases Fuel Efficiency: Removing the restrictive components helps improve fuel efficiency and overall engine performance.

This race exhaust system is ideal for off-road enthusiasts who want to maximize their truck’s performance. The straight-pipe design enhances exhaust flow, reduces backpressure, and boosts fuel efficiency, giving your truck a noticeable performance edge.

You must perform race tuning to ensure this system functions effectively. It is specifically designed for race use. If you prefer a quieter ride, you can add an optional 4" muffler. Installing the system professionally ensures a proper fit and optimal performance, making it a smart choice for those serious about off-road upgrades.

* Note: Always check local laws before installing off-road components. This product is for off-road use only and requires race tuning for proper function.