Baldwin B202 and B7042 diameter is about 3.7" and longer then 5". The OEM filter of Kia Optima is much smaller in diameter and much shorter. You need to look at Kia Optima filter mounting and location to see if that much larger size will fit.
Either Baldwin B202 or B7042 will fit Honda S2000 but not all other Hondas.
Either Baldwin B202 or B7042 will fit Honda S2000 but not all other Hondas.