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Turbo help !?
Okay so i have 2011n55 sedan jb4 ,afe dp ,afe scoops. , bms intake ive had them all for about a month. After a week of having them i noticed a deep oooosh sound from 1500-4000 rpm and if i hold the throttle at 3000my turbo makes a bunch of chirping noises for like 3 sec then its stops same when i come to a stop i understand if back pressure hits the turbo it makes that churping sound but could it be my oem charge pipe leaking i also put map 2w/boost gauge and it only goes half way so i think there might be a boost leak so idk any of your guys expert advice would be appreciated 😃
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