hey everyone I cant seem to find this unique noise that's coming from my engine bay, it happens in the morning when I leave for work or when the engine has cooled down or has stopped for a while and it eventually goes away usually after 5-15ish minutes of driving I first noticed the noise about about 2-3 weeks ago. I haven't had a loss of power and the car seems to drive fine to be honest, the noise appears about 3k-4.5k rpms

Most recent things I have done to my patrol is I've changed the intercooler and pipes about 4 months ago, noise wasn't there when I replaced the intercooler and pipes and I have tighten all bolts again. I've replaced my catch can from a hpm to a provent about 3 months ago.

Now details about my patrol, its a 2011 zd30 common rail has done about 260k kms on it, car hasn't been fitted with any gauges yet, I know I'm not loosing any power. If anyone has had this issue or knows roughly what it could be please let me know.

Here's a video link of the noise too
https://youtu.be/eo17bFmJePU