I installed my header a few weeks ago, and I installed my intake last week. Both installs went pretty good. They both come with instructions, the intake instructions even have pictures, even though they are black and white. Here are some pics:

http://images.cardomain.com/member_img_a/387000-387999/387867_34.jpg

http://images.cardomain.com/member_img_a/387000-387999/387867_38.jpg

http://images.cardomain.com/member_img_a/387000-387999/387867_35.jpg

http://images.cardomain.com/member_img_a/387000-387999/387867_36.jpg

http://images.cardomain.com/member_img_a/387000-387999/387867_37.jpg

Both were bought from my sponsor nismo-parts.com. Check them out for some of the best nismo prices!

looks nice, how much did the header run you?