noise

So ive had this car for a week now just replaced powersteering pump so no more annoying whine but now i can hear this after accelerate i dont think its the turbo but could be wrong im a subaru guy so not much knowledge around the VR4 hence why im asking the pros! i have a link of the noise here...

Hi All. I have a 2002 FL Galant with 175k on it that I've had since 100k. It's lived a charmed life with me the 2nd owner in Oz, and the previous owner being as fussy as I am. It's had all the regular services, top fluids etc. and the wave spring / tig pins etc done at 110k. Trans cooler fitted...