GotYoNacho

I'm getting a set of 18x9's for the front and 18x10's for the back.

I am wondering if 275/35/18 for front and 285/35/18 will work well for the back.

Mr. Meany

The tires tyhe Roush shipos with their weels are P275-40 R18 - so width won't be a problem but you'll have slightly less sidewall/height.

Mr. Meany

Oops. You'll be wider than Roush in the rear but front should be OK, a bit lower.

nbk13nw

Using 18x10's in the rear y9ou can easily fit a 295/45/18 in the rear. I plan on that and the 274/40/18's in the front on 18x9's.

GotYoNacho

I ended up going with 35 series tires. I got 265/35/18 and 295/35/18. I have a buddy that has 18x9's and the 265/35's fit perfect on the front, but he stuffs 315's on the back of his 18x10's. The fronts are about 1.5" smaller in diameter (from stock), and the backs are about 1.0" smaller. The reasoning, is that I will be lowering the car soon. I will post pics when I get the rims put on (about a week or so), and let everyone know how it fits.