Air filter Laboratory Tests per ISO 5011 at least 99.5% efficiency (Based on Wix 42389). The engine types may include 1.5L 1457CC l4 GAS SOHC Naturally Aspirate d,1.5L 1471CC l4 DIESEL SOHC Naturally Aspirated,1.5L 1471CC l4 GAS SOHC Naturally Aspirated,1.6L 1584CC 97Cu.