I'm thinking about going 18's on my new s2000. what width rims is the max i can go in the front and rear and what offset should i go with if i plan on getting large brake kit in the future?

 

You would need to know what break kit you are going to use first. Some wheels in 18" won't clear the brakes.
We do have wheels listed for the car on our web site but not all of them will clear the Brembo brake kit we carry.

Jim