Remember the oil filter is just as important as the oil. The better it filters, the longer your oil will protect.
The G/F's 2013 WRX, 1st OCI is 3000 & every 7500 OCI there after.
Still rocking the Original Motor & VF-40 Turbo with 15k OCI. Member of the 200K + club. Currant mileage:234455