I'm looking to by a twin turbocharger kit for my 370z and need an estimation

What is your question?

So, I have a 2009 Nissan 370z with stock internals and this needs to change. The only modifications I have made to the car is putting a Spec V x Niko Edition Wide body kit on it (looks dope, do recommend) and a RB1 Wing. I'm wondering what an estimated cost for a TT kit is. I can do the installation but I also would like to know what size of turbos is recommended and other modifications needed for a goal range of 750whp. Looking for something that will blast someone in a quick jump, like lots of torque in low RPMs. I have looked at the fast intensions kit, but I feel I could get it cheaper than buying the bulk of it from one company. I am also adding a 2-step rev limiter to also double as an anti lag system. aka retarding the time. Any input would be helpful, Thanks.