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My G35 is completely a track car now and has a full 6 point roll cage welded in it. There was 2 areas though that I have wanted to modify, and finally decided to fix them.

The front of the roll cage did not have a dash bar, and instead tied into the large front brace that is installed from the factory. I removed the large factory front brace and installed a dash bar onto the roll cage. This also meant that the mounting points for the steering assembly had to be modified, since they were attached to the large factory front brace. I also had to modify the instrument cluster mounting. Luckily I will not be using the factory dash any longer, but now I have a lot of wiring to remove from all deleted parts (airbags, radio, ac/heater, etc).

This picture is when I was test fitting the new dash bar. The large factory bar is still in place... I need to take a picture of the deleted factory bar and the new dash bar fully welded in.



The second area was that required modification was in the rear. I wanted to include an x-brace between the 2 rear support bars to increase the cage strength and the rear rigidity.