OEM Air Filter Replacement 08 - 21 WRX, 08 - 21 STI

This genuine Subaru air filter prevents dust, pollen, dirt, and exhaust gases from entering a vehicle to ensure that both drivers and passengers are breathing clean air inside a car. It also keeps leaves, bugs, and other debris from entering and clogging your vehicle‚ HVAC (heating, ventilation, and air conditioning) system. Like most car parts, air filters are prone to usual wear and tear, so routine replacement is crucial every year or upon reaching 5,000 to 15,000 miles as recommended by the auto manufacturer. Some of the signs to watch out for to know when it‚ time to change a car‚ air filter are a musty car odor, decreased air circulation, and decreased HVAC performance.