Banks Power Ram-Air Intake System (Oiled or Dry)

07 - 10 6.6L GM Duramax, LMM

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SKU NWD-42172
Filter Element

42172 | 42172-D

Flowbench developed, dyno proven cold-air intake with enclosed housing improves flow up to 47%; 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.

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! Air density is the key to better performance.

More density = More MPG and HP

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.



AirFlow Increase



Horsepower Gains



LB FT Torque


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.

  • 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 up to 47%
  • Reduces exhaust gas temps (EGTs)
  • Optional Super-Scoop rams cold air for more power
  • Choose Oiled or Dry Air Filter Element
  • Emissions compliant: CARB EO D-161-100
  • Install Time: 1 Hour
Year Make Engine


GMC Chevrolet

6.6L Duramax, LMM