Ussually,a supercharger kit includes the injectors and sometimes a boost a pump so that you can still use the stock fuel system.This would only work if your car is bone stock and run 5-8psi of boost.Most gives you a decent tune.
If you install headers,perf. heads,and cam pkg, you would need to run even bigger injectors and a fuel pump ugrade aswell,also a custom tune would be required.
Procharger,ECS,Vortech has some nice kits.
Jannetty Racing also has a nice Vortech based kit available.
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