Proton Replacement Air Filters
Replacement Proton air filters are available for all models listed below. Select a link below for performance air filters made to give your Proton more power and torque. These air filters come with a K&N million mile limited warranty. They are made to last longer than your Proton! K&N air filters for Proton models last up to 50,000 miles before cleaning is required depending on your driving conditions.