K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your engine to inhale a larger amount of air than the factory air filter assembly.
Universal 2.5 Inch Inlet Air Intake Filter Replacement Air Filter HighFlow
K&N Universal Sports Air Filter Filter Mushroom Open Filter HighFlow Power RG-1001RD
K&N 33-2296 HighFlow Engine Air Filter For DTS Equinox G6 Malibu Lucerne Torrent
For Audi Volkswagen Performance Air Filter Highflow Washable Reusable 33-2865
K&N Universal Sports Air Filter Filter Mushroom Open Filter HighFlow Power RG-1002RD
3" 76MM Mushroom Racing HighFlow Washable Cold Air Intake Induction Filter Green