Banks Power Ram-Air Cold-Air Intake System, Duramax, Dry Filter (2011-2012)

Banks Ram-Air Superiority. Flowbench developed, dyno proven cold-air intake with enclosed housing improves flow up to 35%. Increases power and fuel economy. Reduces exhaust gas temps and sooty, black smoke. 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 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 lifetime filter and streamlined design, Banks Ram-Air Intake maximizes the flow of cool, dense air to the engine for greater power and fuel economy. It flows 35% better than stock. And delivers greater air density to the turbo's inlet than the stock system and every competitor tested! It's all about density. And Banks Ram-Air Intakes deliver. The harder you work your truck, the more Banks Ram-Air Intake improves power and fuel economy! Longer service life, too. An aftermarket exclusive: with 5 inch 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.

Features:
Extensively tested & validated
Enclosed housing keeps out hot, power-robbing engine air
Inhales cooler outside air for more power & MPG
Giant filter maximizes high-flow filtration
Helps engine run cooler
Accommodates engine movement
Prevents component damage
Extends service life and requires fewer cleanings
5-year Limited Warranty (filter: Lifetime Limited Warranty)
Outflows stock and competitors up to 35%
Reduces exhaust gas temps (EGTs)
Exclusive 5 inch bellows prevents component damage
Cooler temps
Cleaner-running engine
»DRY Air Filter Element
»Emissions compliant: CARB EO D-161-102