Stage upgrades

Does anyone know where i should start on modding up a93-95?Like...in what order i should do upgrades in?

1:intake
2:cat-back exhaust
3:downpipe and cat

Can you answer it like that for me.In whatever order is best for RX-7's.thanks

1. Aftermarket thermostat
2. Air/ fuel guage
3. Full rebuild if not already done w/ agressive street port and upgraded corner seals and apex seals
4. Downpipe
5. High flow cat
6. 3" cat back muffler
7. Intake
8. Full cooling system upgrade
9. FMIC
10. Hard pipe kit
11. Boost controller
12. Silicone hose kit
13. Ground kit upgrade
14. Coilovers
15. Differential
16. Power FC
17. Singel turbo upgrade
18. Another rebuild after you blow the engine :D

RX7s cant lose :)

1: rebuild
2: port(should be done at the same time as 1)
3: AFC and Boost controller
4: coilovers or shocks and springs
5: intake/headers/downpipe/exhaust(high flow cat or a test pipe)
6: stage __ clutch(depends what kinda power you want the car to have)
7: short shifter
8: performance wheels and tires
9: SS brake and tranny lines
10: Big brake kit

thats my top 10... I threw it together in about 3 minutes so feel free to yell at me and say I'm wrong.