2011-2016 LML AFE COLD AIR INTAKEUpgrade the airflow and performance of your 20112016 Duramax LML with an aFe Power Cold Air Intake System. Designed to increase airflow, improve throttle response, and boost horsepower and torque, these intake systems significantly outperform the restrictive factory air box while maintaining excellent filtration and engine protection. Many aFe intake systems can outflow the factory intake by a large margin and provide noticeable performance gains and