HELP! throttle body

SON240sx Automotive
1

Hey, so I was doing a boost leak test and found that I was loosing boost out of the throttle body from the place that is circled in the pic, what is susposed to be there??

http://i693.photobucket.com/albums/vv299/tatti240/4447_201897010155_514925155_7037465.jpg

Thanks boys!

2

DELETE