sway bar for 2003 montecarlo

I was wondering if anyone knows the diameterof the GM OEM Taxi/police front and rear swaybars on Impala and Montecarlo cars? I am guessing it to be much larger then the other factory swaybars.
Thanks,
Rod

i don't know the diameter, but if you want to know if they fit the gp the answer is "yes" my father just replace his front, rear, and trailing arm from the 04 monte. the sway are same size, but on the monte it thicker and little heavier.

Aren't they something like 26mm? Any more, I just refer to the big ones as the GMPP sway bars. There's a BIG difference between stock and GMPP on the grand prix.