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  1. #1
    Senior Member Three Rings Gmoney1147's Avatar
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    Dec 09 2014
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    Roseville California

    Dumb question...

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    So I installed a test pipe 3 weeks ago. Was curious if I need to do a retune now? One of my buddies told me I should.


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  2. #2
    Veteran Member Three Rings StatusQuo's Avatar
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    Jun 15 2016
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    Northern California

    Quote Originally Posted by Gmoney1147 View Post
    So I installed a test pipe 3 weeks ago. Was curious if I need to do a retune now? One of my buddies told me I should.


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    What tune do you have right now? What stage and what brand.

    Sent from my Nexus 6P using Tapatalk
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  3. #3
    Senior Member Three Rings Gmoney1147's Avatar
    Join Date
    Dec 09 2014
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    301511
    Location
    Roseville California

    Quote Originally Posted by StatusQuo View Post
    What tune do you have right now? What stage and what brand.

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    It's a stage 1 tune from vagautowerks. It was tuned when I had my cat on.


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  4. #4
    Veteran Member Three Rings StatusQuo's Avatar
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    Jun 15 2016
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    Yeah you are gonna need a retune in that case

    Sent from my Nexus 6P using Tapatalk
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  5. #5
    Senior Member Three Rings Gmoney1147's Avatar
    Join Date
    Dec 09 2014
    AZ Member #
    301511
    Location
    Roseville California

    Quote Originally Posted by StatusQuo View Post
    Yeah you are gonna need a retune in that case

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    Even if they said it was fine ?


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  6. #6
    Veteran Member Three Rings StatusQuo's Avatar
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    Jun 15 2016
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    Quote Originally Posted by Gmoney1147 View Post
    Even if they said it was fine ?


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    If the tuner said you are fine, then you are fine.

    Sent from my Nexus 6P using Tapatalk
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  7. #7
    Account Terminated Three Rings
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    Jun 18 2015
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    DavidhogAJ
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    Philippines

    Quote Originally Posted by Gmoney1147 View Post
    Even if they said it was fine ?
    Although it is a LOT more flow going from stock cat to test pipe (it was stock, right? Not a HFC?), the tune can adjust for the additional flow.. It's only when you do more mods like upgraded HPFP you will want to get a new tune to take advantage of the extra fuel available, etc.

  8. #8
    Veteran Member Four Rings oVeRdOsE's Avatar
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    Jul 01 2015
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    340073
    Location
    Mtl

    Quote Originally Posted by danbfree View Post
    Although it is a LOT more flow going from stock cat to test pipe (it was stock, right? Not a HFC?), the tune can adjust for the additional flow.. It's only when you do more mods like upgraded HPFP you will want to get a new tune to take advantage of the extra fuel available, etc.
    ^^

    this, the ECU can handle it.

    I run my ''stage 2 ready'' for a while just before I flash the ECU. I was on stock tune.
    0 issue.

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