I just did my 2013 g37s coupe, and have the 15 page installation instruction book, and the templates. I was very careful, and the job took about 1.5 hours. I used some zinc paint and a small brush to add a bit of rust prevention around each hole after deburring. I used two Milwaukee bimetal hole saws for the 18 and 19 mm holes, or 11/16 and 5/8. The outer 18 mm holes you have to be particularly careful as to not drill though. The wiring for the spoiler third brake light was already in the loom, so I just disconnected the third brake light connection under the package shelf. The part number for the new gas shocks is 84430-JL00B. PM me your address and I will send you the instructions and templates.

 

yOU ARE ALSO GOING TO NEED 2 X NISSAN 0155309621 GROMMETS That push into the holes out towards the tips of the spoiler. New 3m double tape is also a must to attach the spoiler to the body.

 

Upgraded gas shocks