Banks 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 encourage the reusable air filter to freely inhale for more power.