it could be anything really...what does it smell/look like? If it is your snout leaking let me know I have a bookmark on a write-up on how to change it.
16' wrx sti- stock
06 Spice Red GTO- m6/exhaust/tune/suspension/377whp-383tq-sold
99 silvermist gp gt-g5/xp/IC/3.0mps-parted&sold