Feeds your Cummins engine cooler, denser, ambient air for sustained pulling power and fuel economy. Eliminates airflow restrictions found in the factory airbox, filter, and intake track. 51% increase in Mass Air Flow over stock. Banks Ram-Air Intake feeds your 6.7L Cummins engine cooler, denser, ambient air for greater power and fuel economy. Experience the benefits of greater flow, performance, and sound over stock. Tested and validated using computational fluid dynamics software, flowbench and on-highway.Key Features: Increases throttle response and reduces turbo lag. "Big Ass Filter" extends service life and requires fewer cleanings. Lightweight and durable XLPE mold insulates against heat-soak. 51% increase in air mass over stock. Enclosed housing keeps out hot, power-robbing engine-heated air. Oversized airbox increases cool air volume around filter. More audible and aggressive induction note. Connects to OEM ram-air scoop. 5-year Limited Warranty. No check engine light. Oiled air filter element