Unknown vacuum line

[GSXturboSPOOOL]

After installing my turbo back into my car i realized i had a weak vacuum seal. i found this port and i have no clue where a vacuum line goes to from this port. if someone knew and could help me that would be great.

 

[Kyle_T]

Goes to your stock boost control solenoid or your manual boost controller

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[GSXturboSPOOOL]

wow thank you! that really helped