Did a legacy turbo swap myself, 93 legacy turbo into a 95 impreza. If your doing the swap, swap EVERYTHING. I'm 15 and did the entire thing myself. My car is very basic though, not one power option. I got everything wired up pretty much except for my lighting, still working on that. But all of the wiring in my car is legacy turbo except for a few impreza things i had to splice over. Also I'm using the Legacy gauge cluster, the cluster wiring seemed a bit too complex for me so I just cut up my bezel a little and it fits ok. IMO best way to do it is all in one peice, so drop front subframe with motor/trans/ from legacy and put it back into the impreza. Same for the rear. Also you will need a driveshaft from a 93-01 JDM STI with an R180 or get a legacy turbo driveshaft cut down, the stock impreza rear and legacy turbo rear have different flanges. Should cost about $150 to get a driveshaft cut down and rewelded. Hope that helped.