K&N 33-5028 Replacement Air Filter Designed to boost horsepower and rate of acceleration Can be cleaned and used again High air flow with exceptional filtration Lasts up to 50,000 miles before cleaning is required depending on driving conditions Works with original equipment manufacturer vehicle electronics This item is not for sale in the state of California/Non-CARB compliant Designed to boost horsepower and rate of acceleration Can be cleaned and used again High air flow with exceptional filtration Lasts up to 50,000 miles before cleaning is required depending on driving conditions Works with original equipment manufacturer vehicle electronics