K&N Replacement Air Filter | Multiple Fitments (33-2867) YMM_2001_2004_Mazda_Protege5_BJ The overall design emphasizes durability

The overall design emphasizes durability and consistent performance under high-stress conditions

Built for enthusiasts and daily drivers alike

Its advanced switching power supply ensures efficient energy transfer and minimal heat generation

making it a popular choice among performance enthusiasts

K&N Replacement Air Filter | Multiple Fitments (33-2867) YMM_2001_2004_Mazda_Protege5_BJ The overall design emphasizes durabilityReplacement Air Filter By K & N K&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10 Year Million Mile Limited Warranty. K&N drop in replacement filters are