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  • CrownINC ·
    Hi, i was wondering if you could help me out. I purchased the black box from sebastian74 a couple years back. I have installed it once but it made the car run really bad so i figured i installed it wrong.

    Sebastian told me to speak to you since you built it, i would like to know what is the purpose of the black box and can you send me instructions on how to install it?

    thank you in advance

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