well brother u can use the stuff as said by jz brother and can use intake that u like carby one or the cone one....
wires........will simply increase the lower end torque and pick.....
plugs........will make engine smoother.....remove frequency noise caused by wires
and intake is bit tricky one..........
i have discussed with fellows on this here
https://www.pakwheels.com/forums/performance-modification-tune-up-preventive-maintenance/165830-simota-intake-help
On cng u r required to retune the cng and on petrol is same......and for tunning u should consult a good mechanic
while intake will give good sound......and would increase the limit to gear speed.......i mean without this intake i could only do 30 kmph no matter what i do in first gear but now i do 40 in first and have been up to 80kmph in second......
intakes give good amount of cold air which causes good expansion in engine and hence good response.......and last thing all these things get enhanced as u drive it on petrol...
