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Thread: fbu mod

  1. #1
    s15luke Guest

    fbu mod

    hey all im new 2 the world of s15 and keep hearing about the fbu mod...

    can any one tell me what it is and how it is done?

    thanks

  2. #2
    Join Date
    Oct 2005
    Location
    Helsinki, Finland
    Posts
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    Welcome

    Here you go.

    I'd recommend the boost valve route if you don't want an electronic controller. Either way, you are going to need to fit a boost gauge too...

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