That's not cool man. Remember next time that if the bolt starts getting tight, run it back in, back out until it gets tight again and back in, etc. This will eventually get the bolt out without breaking it. Seems you got a bit of aluminum threads ripped out and jammed as you were backing the bolt out. Always use some copper antiseize with steel bolts in aluminum. You'll get her out eventually but it won't be fun. If you have access to a welder, and enough of the broken bolt is exposed, try tack welding another bolt to it and do the in and out routine I mentioned.
-AMS intercooler with Cobb AP stage 1+ 93 tune.
02 Honda S2000
-741 whp 471 wtq (dynojet) @ 29.6 psi on e85; now on 34 psi, 800+ whp.