Banks Ram-Air filter is a high-flow air-cleaner element that decreases intake restriction and sends more cool, dense ram-air into your engine. Banks Ram-Air filters outperform conventional ones, because the multi-layer design traps moisture, dust and debris on the outer surface, allowing air to move through with ease Easy to install replacement filter (dry) for Banks Ram-Air Systems. Increased airflow, excellent filtration and a longer service life. Key Features Increased airflow Excellent filtration Longer service life Easy to install DRY Air Filter Element For use w/ Ram-Air System: Ford 6.9/7.3L Sidewinder and Jeep 4.0L