1995 Sunfire Needs Help

Ok I have a 1995 Sunfire. It is a 2.2L...2 door Se.... I want to get some more power out of it. I was thinking about putting a 2.4L or supercharged 3800 V6 or even upgrade my 2.2L.... What do you all think I should do I really need some help

depends on how well it runs as of now. cold air,catback,headers,exhaust could do alot. or even just mod chip it.