86 87 88 89 90 91 92 Mazda RX7 FC 1.3 Air Intake Filter MAF Adapter + 3&rdquo; Air Filter (Include Red Air Filter) A Brand New Air Intake Mass Air Flow Sensor (MAF) Adapter Made from High Quality CNC Aluminum Designed to be used with any 3.0 inches opening inlet Air Filter Easy Installation with Simple Tools Include 3 Red Air Filter