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Thread: M157 how to add pop and backfire?

  1. #1
    Potential Tuner
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    M157 how to add pop and backfire?

    M157 HOW TO ADD POP AND BACKFIRE?IS THERE ANYONE CAN TELL ME?OR TUNE FOR ME,I CAN PAY FOR IT.

    [email protected]

  2. #2
    Tuner in Training
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    Jun 2018
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    Do you have an existing tune by others?
    What mods do you have? Specifically, do you have downpipe?

  3. #3
    Potential Tuner
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    Quote Originally Posted by Fu03steveC63 View Post
    Do you have an existing tune by others?
    What mods do you have? Specifically, do you have downpipe?
    i have catless downpipe and highflow intake and colder sparkplugs.i have hptuner tune in it,but just don't know how to add pops and backfire.

  4. #4
    Potential Tuner
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    Oct 2009
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    Moscow, Russia
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    Send me the stock and tune file and I will make it for you

  5. #5
    Advanced Tuner outlaw_50's Avatar
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    Quote Originally Posted by kenziecheung View Post
    M157 HOW TO ADD POP AND BACKFIRE?IS THERE ANYONE CAN TELL ME?OR TUNE FOR ME,I CAN PAY FOR IT.

    [email protected]
    For Pops just change the spark tables:

    1- Base spark tables just change "Load" 10,15 for any chosen rpm range eg. 3000 -> 5000 change them to (-10 degrees).
    2- Change MBT tables (if available) in the same way but make it more retarded for eg. (-15 degrees).
    3- Change Minimum Spark table in the same load+rpm range to something even more less than MBT eg. (-20 degrees).
    4- Enjoy !!