strange noise

[j5ive]

hi guys,i have a loud noise when going past 4k i can only describe it as a supercharger whine,

 

[Gokiwi64]

Boost leak or turbo bearings failing. You can do a boost leak test to eliminate that side of things and or remove the TIP and check the turbo impellor for play (good indicator of bearing failure)

 

[j5ive]

brilliant thanks man will look into that,hope its just a leak,been spending money on it since i got it