2011-2016 LML 6.6L Duramax Cooler Upgrade Kit for Chevy GMC

Product Overview This EGR Cooler Upgrade Kit is engineered specifically for 2011-2016 GM 6.6L Duramax LML diesel engines in Chevrolet Silverado and GMC Sierra 2500HD/3500HD models. Designed to replace factory coolers that recirculate harmful soot and gases, this kit eliminates carbon buildup risks, restores engine performance, and extends the lifespan of your diesel truck. By combining an EGR delete system with a high-efficiency cooler, it prevents clogging from exhaust gas recirculation while optimizing exhaust flow and thermal management. Ideal For Diesel Truck Owners seeking to resolve EGR-related performance degradation in 2011-2016 Duramax LML engines. Performance Enthusiasts aiming to reduce exhaust gas temperatures (EGTs) and enhance throttle response. Long-Term Vehicle Preservation advocates looking to prevent engine damage from carbon deposit accumulation. Professional Installers requiring a vehicle-specific, turnkey solution for EGR system upgrades. Compatibility List