For Use with Ram-Air System: 1999-14 Chevy/GMC - Diesel/Gas FLANGE: 7" | B: 10.56" X 8.65" | T: 8.5" X 6.5" | L: 6.3"  Banks Power 42138-D Dry Synthetic
2011-2012 GM 6.6L DURAMAX LML Â Testing, testing & more testing. The Banks Power 42220-D Ram-Air Intake System with Dry Filter for your 11-12 GM 6.6L Duramax LML is tested and proven.
2011-2012 GM 6.6L DURAMAX LML Â Testing, testing & more testing. Banks Ram-Air Intake Systems are tested and proven. They start out as CAD software prototypes and are put through flow simulations...