17's will fit, but as everyone else said it's not a good idea.
I had 17's on my civic for a while and everything people have said here makes sence to me. I had bump steer like a mother*****, and well the car wasn't fast to begin with so any extra weight is just a hinderance.

I would never put anything bigger than 16's on a sport compact again. And don't forget tires. For me, nothing short of 50's will do.