Easy to install replacement filter (dry) for Banks Ram-Air Systems. Increased airflow, excellent filtration, and longer service life. 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.