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How do I install a manual increase controller on an 1989 toyota supra I may need pic too?

based on the controller, you need vacuum access heaing towards the wastegate actuator vacuum line going to a gold cylinder looking thing towards your turbo . And you also need a power source, ground source, and some other resources based on your controller.

Wait you said manual..

My guess is to install it anywhere, and T the vacuum line from your intake manifold going to your wastegate actuator and that should do it.

Set it low when you install it so you may be able to gradually increase increase as you choose how much you want by adjusting the controller.

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