hhhhmmm it is a pretty close race id have to say the ktm would win tho a 2 stroke aganst and 4 id say the ktm but it might also depend on ur riding but i would say ur ktm would deff beat it my friend also has a crf230f it gose about 55 and i kno from infromation off this websit the ktm goes 65 sooo yah with ur upgraded pipe that might add 1 cc or soooo but thats alot to depend on in a race! get back at me when u find out if u realy beat him or not