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i have a 2003 350z twin turbo hks today i was driving home my turbos are cutting in and out they spool up at 3000 and cut out at 6000 i can only get 5psi im tuned 10 psi can some one pls help me out
Most vague post ever. Make a video of what it's doing. Do you have any performance shops near you? You could potentially be hurting your motor, depending on what's actually going on.
It could be a ton of things. Could be a boost leak, could have damaged compressor wheel, could be a valvetrain problem, or a fuel/ignition problem. Boost adds a lot of complexity when it comes to troubleshooting, unfortunately.