d16 vtec and borla exhaust. my car sat for 4days. i turned it on and let it warm up and revd it just a little. and turned it off., went to leave the garage and there was oil and water together that came out of the tailpipe, about 2 table spoons of it shot out and was on the ground. weiiird my car took a duke. also lots of carbon build up on the inside of tail pipe..more than normal amount. WHAT IS THIS? my car pooped?