Banks Ram-Air, Oiled Filter, Cold Air Intake System for 2011-2012 Chevy/GMC 2500/3500 6.6L Duramax, LML Differential Cover And delivers greater air density

And delivers greater air density to the turbo's inlet than the stock system and every competitor tested

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In comparison tests

trusted by truck owners for a quarter of a century and guaranteed to be free of defects in workmanship

Application specific design creates a custom fit bedmat

Banks Ram-Air, Oiled Filter, Cold Air Intake System for 2011-2012 Chevy/GMC 2500/3500 6.6L Duramax, LML Differential Cover And delivers greater air densityTesting, testing &amp 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 on a flowbench. Then it's tested on the vehicle. And finally, Banks' density tests the Ram Air against stock and many competitors. Proven design. Proven performance. Thanks to its enclosed cold air housing, huge inlet, giant dome shaped