I bought some Work Emotion Kai 18x8.5 25mm offset with 235/40/r18 Yokohama S drives and I think they are rubbing a bit in front and in back. Is there anything I can do to stop them from rubbing. I have very little space between the tire and the top of the wheel well on the front.

 

Have you tried a fender lip roll?

Tire Rack Fender Lip Roller

 

It is something I have thought about but the sound I hear only happens when I turn the steering wheel for sharp turns. I also think that the front tire rubs a bit on the coil overs in the front wheel wells . I was wondering if 5mm spacers would help?