Banks 42279-D Features:

Feeds your Cummins engine cooler, denser, outside air for sustained pulling power and fuel economy. Eliminates airflow restrictions found in the factory airbox, filter, and intake track. Over 51 percent higher Mass Air Flow vs stock. Banks Ram-Air Intake feeds your 6.7L Cummins engine cooler, denser, outside air for greater power and fuel economy. Experience the benefits of greater flow, performance, and sound over stock. Its performance is extensively tested and validated: in the computer, using Computational Fluid Dynamics software - on the flowbench - and later, on the vehicle.