Banks Ram-Air Superiority. Open up your 6.8L's breathing with the Banks Ram-Air intake system. With its giant air filter housing, high-flow filter, and streamlined tubing, Banks Ram-Air outflows stock by up to 60 percent for greater power and improved fuel efficiency. Banks bellows accommodate engine movement, preventing component damage and prolonging service life. Meticulously tested by Banks engineers, Banks Ram-Air Intakes are triple validated before the Banks name is stamped on.