I am about to purchase a very low mile 1997 GTP 2-door. I had a GTP a long time ago around 2009/2010 and it was a great car, but I would prefer to have one that's turbocharged this time around with more power.

What should I be looking for in a turbo kit? Is Cartuning worth the premium, the Z3 from ZZP or the Stattama from ZZP? Or should I be looking to make my own kit, perhaps someone offers something?

Also I see Milzy offers 1" chain gear sets now, is that a good option and what company offers a transmission for high power builds?