Banks Ram - Air Superiority. Flowbench developed, dyno proven. Improves airflow up to 62, Enclosed cold - air box with exclusive 4 - 12 bellows to accommodate engine movement. Cooler temps, less smoke and more MPG. Banks' revolutionary Ram - Air Intake System offers the reliability and durability of a factory intake yet delivers astonishing airflow. It flows up to 62 better than stock and outflows Volant and AIRAID, thanks in part to the Ram - Air's huge filter area (fewer filter cleanings), giant outlet, and the complete air filter housing with large side bottom inlets. Banks Ram - Air collects directs more power - producing cool, dense air to the engine, lowering EGTs and smoke and improving fuel economy, too The cotton gauze filter traps the most dirt and debris. And Ram - Air is the only aftermarket intake with 4 - 12 bellows to accommodate engine movement. This prevents component damage and promotes reliable service life.