1 , INTAKE ... That takes air and in air inlets radiators
2 , turbo , which compresses air from outside and compresses it and sends to engine cyclinders ... More oxygen more fuel burning ...
3 , Tyre profile means which tires u chose racing , low profile mean less contact to ground and etc
4 advancer used in cng to advance the patricle flow of cng in pipes given to engine
5emulator i guess which counths the cng particles sent to engine