ICs are not the only thing that need more air. Granted his aren't doing crap because they're not feeding anything from the looks of it, but they could just as easily be rerouted for brake cooling.
Later
If you need Z32/Z33 work done in the Dallas/Ft. Worth area, I've done most everything from oil changes to engine rebuilds. E-mail me for a quote please.
When was the last time you *really* did something with your Z to call yourself a Z enthusiast?