93 Supra

That's rather difficult to answer until after you have dyno'd the car. The dyno may well flag up all sorts of anomalies that may be wrong with the car.
Generally I would say look and see exactly what your car has fitted first, then dyno it and see what it is making and if there are any problems that are flagged up. Then you can comfortably decide what additional hardware you may require and more importantly, will your car be able to take it.

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