Afternoon all, my truck starts losing boost at about 2500 RPMs at full throttle.

Climbs to 36psi, then drops to around 20.

Everything visually looks fine.

Any suggestions?

Side note: I just had my ecm rebuilt due to an electrical issue with the turbo not spooling up.

I also just got new tunes for my EFI Live, and it wasn't from the same guy that did it previously.