HELP!! I want to turbocharge my car!

Hey everyone! I was wondering if anyone could help me out a bit. See I'm kind of ballin' on a budget if thats what you wanna call it laughsilly. I need help because I really want to turbocharge my car, but I don't have much money to work with. I would probably be piecing it together with a used turbo in good condition and whatever else I need. So, bare minimum, what would be required to safely and reliably turbocharge my car? I know I would need the turbo, turbo manifold, wastegate, and lower compression pistons. Keep in mind I would only be looking to boost at around 5-7psi. Not looking for anything crazy, just to make it a little bit more fun. Can anyone please give me some suggestions or advice on what I should do? Thank you in advance! wave

2000 Celica GT-S 6sp.
Option Racing Cat-Back
Butterfly Valve Delete
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When someone won't race^ XD

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