hissing noise?

[tres103]

hey guys

I have a hissing noise when on the throttle and as you release my car is a fn2 (towards the end you do here the pcv valve sticking even though it only couple of months old)

any ideas what it might be?

[video]http://s1146.photobucket.com/user/tres175/media/Civic%20type%20r/IMG_17751_zps49527b16.mp4.html[/video]

 

[Leandro]

My car is doing the same noise..no one knows what is!
If you find the problem please share with us!