im tryinh to do the same to my nismo where u get it done at???

Hey mate, I did these myself. Never tried anything like it before but it wasnt too difficult, just time consuming. a followed a DIY on the forums here
http://www.the370z.com/diy-section-d...-20-bucks.html

Most people say it takes around 8 hours, but I took my time and took a few more.

Because I live in Australia I had no options but to do it myself, but If I lived in the US I would have just sent them into MR Works.....If your not familiar with them theres plenty of info that can be found here...
http://www.the370z.com/mrworks/12079...eadlights.html

Hope ive been of some help! Good luck! If you plan on doing them yourself id be happy to give you some more details of my experience.

Jared