I have a 250ex and i have many mods on it i now want to get a pipe. MY choices are

Pro cicuit T4
Big gun
GRaydon proline
FmF MEgamax (is it good?)
Yoshimura slip on
White brothers (ive seen it on a 250, if u have any info on wich it is tell me)

Wich one would be best?
\Big gun or graydon... wich is better?