Given you only got 2 options to decide where new wheels won't be an option. For those who had these experience, what would you think would be the best shot.
A)245/35 r18 tire dropped with a nice coil over which means skinnier tire, less grip, no rubbing. Rear tires rev more(like three times per mile) than the front. Front tires are 225/40 r 18
B)255/35 r 18 tire rolled fender on a stock shock which means has more space on the wheel well but no rubbing, wider tire and more grip. You can't drop it since rubbing issues would be a problem. Front tires are 225/40 r 18.

 

Option B doesn't have to have the fender lip rolled even with the car lowered if the offset is high enough and the width of the wheel is not too wide. You have to decide what it is you are looking for. It really comes down to what the driver wants and looks best. It is not like the 255/35R18 is a lot wider than the 245/35R18. It is only talking about 1/3" wider.
If I can help let me know.

 

Thanks, Jim. I was adviced to use 245/35 before coz they told me 255 will rub. I never tried 255 ever that's why i rolled the fender hoping that i would get more space from it. I'm ready to buy 255 now but i'm scared it may rub. my offset is +47 with 8.5 in wheel ce28n.