Loss of power

[Rs06mcc]

Long time since I've been on but need help. Yesterday took the car out morning and was fine. Came home then headed out, got onto motorway and put my foot down, an immediate feeling of dread. Was like driving my other half's kia. Dead. No torque and boost was very slow. Forgotten how to upload a video I took.
Called the AA out and no faults, no smoke from pipes, later ill drive her in a different map (mrc octane map) and see if a difference but I've racing coming up in 2 weeks and could appreciate some pointers where to start looking. I'll also.hit a few things with cleaner aswell but nothing seems split. Also on revving the drivers side actuator moves whereas the passenger side doesn't