boost dropping???HELP!

[P-ROONEY]

boost drops right off when driving car over 4.5revs.
i have wepr ct9power up kit with external wastegate
i have checked for all leaks on intercoolers pipes.
what i think it might be is that my Internal wastegate is leaking/crack in it.

What u guys think..

 

[P-ROONEY]

Anyhelp, Anyone..

 

[Aidan@EP-styling]

Yea maybe the internal W/G is leaking a little bit under stress

It could your your turbo getting worn out?

 

[ChrisGT]

Weak actuator/restriction in intake/boost leak.

 

[GTWorld]

boost drops right off when driving car over 4.5revs.
i have wepr ct9power up kit with external wastegate
i have checked for all leaks on intercoolers pipes.
what i think it might be is that my Internal wastegate is leaking/crack in it.

What u guys think..

I had this problem on my baileys dump valve removed it and went to chatter and havent had a problem since!