Outflows the stock setup by up to 63%. Streamlined design with complete air filter housing draws in cool, under-vehicle air for greater power. Includes High-Ram intake plenum.Banks Ram-Air Superiority. (5.4L V-8 engine only)Banks opens up your truck's breathing with a flowbench-developed and dyno-proven Ram-Air Intake System. Featuring a unique High-Ram intake plenum, this system outflows the stock setup by up to 63 percent.The Banks Ram-Air features a filter with a huge outlet, deep filter pleats to maximize flow, and a wide-open streamlined design. This complete air filter housing draws in cool under-vehicle air which is denser for greater power.Ram-Air Cold-Air Intake System, Dry Filter for use with 2004-2008 Ford 5.4L, F-150. US Patent #10,138,851 B2
