Man I am SO excited. I had the Fast Intentions exhaust on my G35 and LOVED it. I received so many compliments on it and in my opinion, was probably the best sounding exhaust on the market while I owned that car.
When I was shopping at the time, this was the sound clip that sold me:
YouTube - G35 Coupe -- Fast Intentions Intimidator Exhaust
and a month later here it was on my car:
I am VERY interested and excited to learn more, and am ready to buy now. I was actually going to order Nismo today, as I had just received my Berk Tech HFC's in the mail yesterday. I am glad I saw this thread because now I want to wait until I hear more details from you.