Alright Chaps, figured out the problem with all this Attachment replication nonsense. Problem is collision, when I was switching collision off nothing was replicating from that end, I kept trying but to no avail up until I created a custom collision preset for the car that overlaps pawn, and now works like a charm. Next step is trying to create a custom collision for the driver instead of pawn and swap out collisions in and out of the car, wish me luck!