Buy a turbo kit for $4500-$10,000 and it will including everything required. Installing it is a different story. Rebuild the engine with stronger internals since it wasn't a turbo to start with. Really the better option here is the short life span of the sportivo with 141kw with a celica engine in it instead of the 100kw you could get a celica ZZR 1.8 put into it with 40% more power and a few external modds would see more headers, hi flow cat, sports exhaust so on.
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