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  1. 11-12-2024 11:32 AM #1
    deford
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    Whistling after cold air intake + downpipe

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    I recently started upgrading my 2012 A3 Quattro. After installing the CTS cold air intake, downpipe, Unitronic Stage 2 for ECU & TCU...performance is amazing. However when I floor it, I hear whistling from the intake. Any suggestions on resolving this?
    Last edited by deford; 11-12-2024 at 12:17 PM.
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  2. 11-12-2024 12:35 PM #2
    NorthernGTI
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    Quote Originally Posted by deford View Post
    I recently started upgrading my 2012 A3 Quattro. After installing the CTS cold air intake, downpipe, Unitronic Stage 2 for ECU & TCU...performance is amazing. However when I floor it, I hear whistling from the intake. Any suggestions on resolving this?
    A friend of mine had the same issue on his '13 GTI with the CTS intake. Is it 2pc or 1pc intake? I think he eventually just changed the intake and sound went away(Keep in mind, this was 10+ yrs ago)
    2014 TDI
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  3. 11-13-2024 07:42 AM #3
    deford
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    It’s 2 piece
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  4. 11-16-2024 10:00 PM #4
    AudiSportDre
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    Would you be able to upload a vid/sound clip? And stupid question but you’re certain this isn’t just the sound of turbo spool under load?
    2018 B9 Audi A4 P+ S-Line Quattro Mythos Black

    Stance is dumb performance is fun.
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