Whistling horn sound
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This is a discussion on Whistling horn sound within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hey all. All right, I know it's not a WRX, but I test drove a 2006 Legacy GT today. While ...

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    Whistling horn sound

    Hey all. All right, I know it's not a WRX, but I test drove a 2006 Legacy GT today. While driving a bit into the gas (can't remember what rpm's were), the engine started making a weird sound; not quite a whistling but more like a French horn type sound. To me, it sounded like some kind of weird intake leak but was wondering what you all thought. It didn't do it during normal/light throttle but only while I got on it a bit (50% throttle).

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    Registered User GarrettKoonsman's Avatar
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    Sounds like the turbo spooling
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    I wish I could describe the sound better since it didn't sound like it was supposed to be making that noise. I mean, it was definitely happening while the turbo was spooling more, but it was kind of loud and a deeper tone than "regular" turbo hissing/whistling I've heard before. Not sure if that even makes sense.

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    Registered User GarrettKoonsman's Avatar
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    Keep in mind most spool you hear is with an aftermarket intake. The stock intake can have a slightly deeper sound. Were there any CEL's
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    Nah, no CEL's were lit. It did have a Subaru Performance intake on it.

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    Registered User GarrettKoonsman's Avatar
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    It sounds to me like just some spool. I guess it could be a large boost leak as well or even an exhaust leak
    2003 Midnight Black Pearl WRX Sedan
    200.7 AWHP Protuned Stage 2 at 5400ft above sea level
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