2011 STI Stage 1 93 octane +SF intake negative boost PLEASE HELP
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This is a discussion on 2011 STI Stage 1 93 octane +SF intake negative boost PLEASE HELP within the New Member Hangout forums, part of the Community - Meet other Enthusiasts category; I recently bought my STI. When I bought it it already had the Cobb intake on it but was still ...

  1. #1
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    2011 STI Stage 1 93 octane +SF intake negative boost PLEASE HELP

    I recently bought my STI. When I bought it it already had the Cobb intake on it but was still running the stock map. After some research i found out how bad that was and purchased my AP. I then flashed stage 1. What has me confused and worried is when I looked at my datalog all the values for boost(psi) are negative. They start at -7.65 and go all the way down to -14.89 then go back up to -4.56 at redline. What does this mean and what can I do to fix it. Any incight would be appreciated I'm new to the tuning scene.

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    Registered User wrightway's Avatar
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    Quote Originally Posted by Animegod View Post
    I recently bought my STI. When I bought it it already had the Cobb intake on it but was still running the stock map. After some research i found out how bad that was and purchased my AP. I then flashed stage 1. What has me confused and worried is when I looked at my datalog all the values for boost(psi) are negative. They start at -7.65 and go all the way down to -14.89 then go back up to -4.56 at redline. What does this mean and what can I do to fix it. Any incight would be appreciated I'm new to the tuning scene.
    I suggest that you also post this at the COBB forum (COBB's website). You'll go straight to the experts in COBB software. They've been very helpful to me in the past.
    2008 WRX HATCH W/ TORQUED PERFORMANCE STAGE 3.52

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