Cold - air intake with large lifetime filter, enclosed housing and large tubing offers huge improvements over stock flow, increasing power and fuel economy. Banks Ram - Air Superiority. Banks opens up your truck's breathing with a flowbench - developed and dyno - proven Ram - Air Intake System that is less restrictive than stock. Ram - Air's filter has a huge outlet with deep filter pleats that maximize flow and a complete air filter housing that draws in cooler, denser air to the engine for greater power and fuel economy. Filter on a stick a joke thats not funny. A filter on a stick is a bad joke. Its wide - open to hot, power - robbing underhood engine air. Ram - Air houses a giant filter in an enclosed cold - air box, which inhales cool, dense outside air. All for more power, mileage, and it's designed to not cause fault or error codes. US Patent 10,138,851 B2