FRAM Extra Guard Air Filter, CA8127: A new air filter can increase airflow, horsepower, and improve engine performance Install a clean air filter every 12,000 miles Follow recommended change intervals Based on FRAM Group testing of air filter efficiency of models CA4309, 8755A, 8039, 326 and 6479, and their standard retail brand equivalents, under ISO 5011.

FRAM Extra Guard Air Filter, CA8127: A new air filter can increase airflow, horsepower, and improve engine performance Install a clean air filter every 12,000 miles Follow recommended change intervals Based on FRAM Group testing of air filter efficiency of models CA4309, 8755A, 8039, 326 and 6479, and their standard retail brand equivalents, under ISO 5011.