Lifetime filter flows more cool; dense ram air into the engine.The air filters come with a lifetime limited warranty. Air Filter Element Ram-Air Syst-Various Ford/Dodge Diesel Features: Flows Better Than Stock High Flow Element That Decreases Intake Restriction Multi Layer Design Traps Moisture Longer...

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...

Guard your Ram-Air filter with an extra layer of protection from Banks prefilters. Stitched from breathable materials, these prefilters not only keep your Ram-Air filter cleaner, but they also extend cleaning intervals. They are easily installed--simply slip them on and they provide your rig...