Banks Power 99-04 Ford 6.8L Truck/Excrsn Ram-Air Intake SystemBanks Ram Air Superiority.; Molded, streamlined filter housing. Lifetime, high flow Banks Ram Air filter. Flows more cool, dense ram air into engine. Includes service kit for use every 30,000 50,000 miles. 5 year Limited Warranty (filter: Lifetime Limited Warranty).; Banks Ram Air versus stock.^The factory air filter housing has little room for air to flow around the filter. The Banks Ram Air housing has a larger inlet and ballistic shaped nose, which