of course not . It will just make it louder . I have a 2003 xr 80 r without a baffle , and it is louder and a little faster than the stock xr 80 , and I've been driving it like that for years and still runs as good as stock . So it does bump up your speed a little , but will let it breath better .
yes.
a crf 100 go up to 35 mph.
Yes, it does.
there is no crf 100 two stroke. it would be a four stoke and it has about seven hp.
yes it is and it has 5 gears
it depends on who is riding . but the bikes are the same hp.
CRF is just a label used by Honda in classifing the type of bike. for example Honda has lots of crf's. 50, 70, 80, 100, 150, 230, 250, 450.
yes
about 12 to 16
65
900-1300
12hp at the most