New boost cutting phenomenon on my car!

[Wo:Deep]

Hey guys...
I really have to say that I was a real lucky guy.
My Rx always run perfectly.
Until now...

I took her for a ride yesterday and then after the first little pull, I recognized that the boost pressure was like "limited" to 0.5bar.
Normally she runs with max. 1bar boost pressure.
So I tested a WOT run in third gear.... but as before.
Only 0.5 bar.   after secondary dropped in, slightly over 0.5 bar!

The turbo behaviour was really normal. (spool in of the secondary etc.).
Anything ok. But boost pressure was cut in half!

Because of the bad light yesterday night, I just checked some major clamps and hoses but everything seemed ok.

Today I have to check the whole thing.

Do you have any suggestions?
Had anyone of you a similar behaviour and found the failure?

I think it could be a broken Reliev valve.
Or one of thousands boost holding hoses^^

What are your suggestions??

thanks in advance

kind regards
Marc

[Wo:Deep]

Hey guys... first thought braught the result...

The coupler between Y-Pipe and Stock Plastic IC-Piping was damaged.

When I look at the picture, I am surprised that my car run so well with such a big hole



By wodeep, shot with DMC-TZ3 at 2008-10-25