Hey, I just bought a r33 gtst and I have noticed that when I rev it up to around 5000 it seems to die out abit than the boost surges from standard 7psi to 14-15psi... The car had a manual boost controller which I had taken out back to stock and it still does it.
I spoke to the previous owner about mods and he done exhaust, two into one dump pipe, front mount intercooler, pod and was running between 8-10psi. He said it done it to him aswell and I'm concerned it will do damage.
Does anybody know what the prob is or heard about it? If so please let me know... Thanks
