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BOV sound when not in boost?
I just purchased an 2002 Subaru wrx.
I noticed that even when I'm not boosting and shift gears the blow off valve releases what sounds to be turbo build up. Is that normal? Because even when I shift at 2.5 with my boost gauge reading 0 boost I still hear the BOV sound.
List of performance mods:
- Front mount intercooler
- Borla Exhaust
- Sti injectors
- Vf34 turbo
- K&N Intake
Thanks
It's normal. You may not be pushing much boost but the turbo is still spinning so it's moving some air so when you shut the throttle plate, that air has to go somewhere. It's may be too loose though so maybe try tightening it a little at a time and you could find the throttle response to get better some.
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