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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. Cold Air In Utilizing the OEM front Ram-Air funnel to its maximum potential the Banks Ram-Air removes the factory airbox’s “S shapedrubber snorkel for a straight shot connection to the front scoop. This reduces restriction and improves air density within the sealed box maximizing power and throttle response at speed. Fresh cool air from outside the engine bay is constantly being forced into the airbox keeping intake temps low and density up. Block The Heat The Banks Ram-Air fights off heat both inside and out. Its durable and lightweight XLPE molded construction rejects external heat better than other metal tubes or heat shield designs. And it’s oversized internal volume keeps that pool of fresh air insulated from the engine even when sitting at a stoplight waiting for the next tap of the throttle. Maximum Flow The Banks Ram-Air intake offers the highest amount of airflow at the lowest pressure loss. Compared to the rest it is the only intake able to feed enough air into our Monster-Ram Intake Elbow without causing restrictions.