Inhales cooler outside air for more power & MPG Cold-air intake with large lifetime filter, enclosed housing and large tubing offers huge improvements over stock flow, increasing power and fuel economy. US Patent #10,138,851 B250 State Compliant: CARB E.O. 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 that's not funny. A filter on a stick is a bad joke. It's 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. This blows compedator products out of the water and flows way more than stock?or more power and more mileage. And it's designed to not cause fault or error codes.