Hello guys. Good to be in the Gdriver forum.

I had a question hope it doesn't sound stupid and you guys can help me out. I have a 07 g35s sedan I was thing of changing my fuel injectors (injector dynamics) and with ngk spark plugs and air intakes now will this give me a better proformanc I'm not expecting a lot from it but would I be running any risk or do I need to do an update to the ecu? Hope you guys can help and thanks.