Stillen gen 3 intake...
 

Ok so I just perchased my new to me intake, I got it from a nother forum member. So in that aspect I have been looking for a how to on the install but I cant find nothing on what the hell I have to cut / grind on the car to make them fit?

You haven't used the search feature then...

Google:
"stillen g3 install 370z"


http://www.the370z.com/intake-exhaus...eview-etc.html

http://www.the370z.com/diy-section-d...e-install.html

http://www.the370z.com/diy-section-d...de-ak370z.html

Thank You!