i removed some stuff i don't need like ac compressor, ac lines, ac pump, smog pum, cold start, radiator cover, etc. i heard that you can also remove some vacume lines i wanted to know? if so which ones can i remove? and which ones are needed?

 

Emissions removal. Other than that I dunno?

 

Covered in the FAQ for FC sticky thread found at the top of this section. Look under emissions.