APR Performance Air Intake Panel FilterAPR High Flow Intake Filters are a direct upgrade to your factory intake system! Typically your engine is equipped with a cheap, mass produced and restrictive paper filter system that must be replaced several times in the life of the vehicle. The APR Filter uses a proprietary, high flow, cotton gauze filtration material that is washable and will likely outlive the vehicle itself! The filtration material was flow bench optimized to provide maximum