Banks Power 11-12 Chevy 6.6L LML Ram-Air Intake System

Up 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 Air Filter Element
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. 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.
Banks Ram-Air Intake maximizes the flow of cool, dense air to the engine for greater power and fuel economy. Thanks to its enclosed cold-air housing, huge inlet with giant dome-shaped filter, and streamlined internal design, it flows 35% better than stock! Infact, it performs so well that it delivers greater air density to the turbo's inlet than all competitors tested.
Longer service life, too.
An aftermarket exclusive: with 5" bellows, Banks Ram-Air accommodates engine movement, which protects the components and extends service life. What's more, Ram-Air is designed to not cause fault or error codes.
It's all about density.
And Banks Ram-Air Intake delivers. The harder you work your truck, the more Banks Ram-Air Intake improves power and fuel economy!
Banks Ram-Air, Oiled Filter, Cold Air Intake System for 2011-2012 Chevy/GMC 2500/3500 6.6L Duramax, LML