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When I accelerate, I hear a whine noise from the turbo side of the car. I have a depo fmic, Steeda intake, depo 2.5" charge pipes, MRBP catless down pipe. I have a turbo smart bov that I've removed thinking that was the problem and it wasn't. I can also hear it slightly when changing gears with light throttle. Any ideas?
 

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Sounds like your hearing the turbo is spool. The catless DP will definitely let your hear it. Sounds like a small diesel truck.
 
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