MBC Install instructions or guide.
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This is a discussion on MBC Install instructions or guide. within the Tutorials & DIY forums, part of the Tech & Modifying & General Repairs category; I have looked through a couple of the posts I have found through search but nothing to detailed or with ...

  1. #1
    Registered User AsILayDying's Avatar
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    Dec 2008
    Central Florida

    MBC Install instructions or guide.

    I have looked through a couple of the posts I have found through search but nothing to detailed or with photos of how to install a MBC in a WRX/STi. If someone could just point in the right direction it would be appreciated, I know this should be a simple install but I am still relatively new to Turbo vehicles, and all the terms or names of lines of hoses and such are a little tough to figure out just by words. A good photo does wonders. Again thanks for the help.

    The reason for MBC install is because I am overboosting with COBB AP Stage II and they recommend a MBC and turn down boost a little until I can afford a ProTune map. Im tuned for 16.7 and Im peaking 19.5psi. Thanks again for any help.
    BlobEye Syndicate #-666
    Stage II 04' WRX Black (Performance Race Solutions Tuned 310whp)
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  3. #2
    Sammich Makin' Pwincess wrxtreme06's Avatar
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  4. #3
    UnBanned Sinister's Avatar
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    Good link.

    As I lay dying...

    Remove the T to the BCS... remove the restrictor pill inside the vacuum hose coming from the compressor, but leave the line... and put the MBC in where the T was originally at.

    It's cake. You can re-route vac lines, do some mounting, etc... but that's the principle.
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  5. #4
    Moderator Donkey's Avatar
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    Apr 2005
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    Also you better have a tune to go with it especially with an 04-05 wrx.
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