sorry guys for all my stupid questions.but that is what you guys are here for?right.

like i said i like to learn. i was listening to some old timers talk.and they brought up chroming.like the inside of the,intake manifold,exaust manifold,inside the cylinder bore.do they do that and what are the effects.or they could be joking with me.they said ferrari does that and thats why they are fast.

is it true????and is it worth it doing??