My dad brought up a good point. After we changed the PCV valve the first time I continuously checked the oil for about three weeks and it was fine. It didn't start leaking until after I put in my cold air intake. I heard something about that maybe taking in oil but I don't remember. If anyone out there knows what I'm talking about please help me.

 

I am almost 100% positive there is no way installing a CAI can cause more oil to be used. If you had a leak before, it shouldn't get worse. Driving harder to hear the CAI will burn more oil though