DarKnight

iTrader: (3)

...on the stock 17" 5-spoke 2GS wheels?

4ntvings

iTrader: (6)

i'll play...235/45. this is what came on oem, so this is what i'd stick with-decent width while ensuring a comfy ride on 45 series so i can bouncy around at stock height

RI-Lex

iTrader: (4)

235/45 come oem, but I roll 245/45 series

BklynGS

iTrader: (2)

What about 225/50 or 235/50.... i think that 235/45 is a bit too small for the GS. If you get a body kit the wheels look so small it almost looks funny. A little more sidewall would also fill the gap between the fender and tire better. Most cars the size of the GS come with taller stock tires. BMW 5 series comes with 225/50 17, the infiniti G sedan comes with 225/55 17.... to name a few.