2007.5-2010 LMM BANKS POWER AIR INTAKE SYSTEMUpgrade your 2007. 52010 LMM Duramax with the Banks Power Ram Air Intake System 07 10 Duramax LMM, engineered to deliver cooler, denser air for improved power, efficiency, and engine performance. Designed using extensive real world testing and airflow analysis, this system significantly outperforms the restrictive factory intake. The enclosed airbox design helps block out hot engine air while pulling in cooler outside air, increasing air density at