Ram-Air Cold-Air Intake System Dry Filter 11-12 Chevy/GMC 6.6L LML Banks PowerUp to 39hp and 69lb ft gain and outflows stock and competitors up to 35 Percent while reducing exhaust gas temps (EGTs). Exclusive 5 inch bellows prevents component damage Cooler temps Cleaner running engine Oiled or Dry Air Filter Element Testing, testing and more testing. Banks Ram Air Intake Systems are tested and proven. They start out as CAD software prototypes and are put through flow simulations. After a hardware prototype is made, it's tested