What size Nitto 555r drag radial can I fit on my 05 GT? I have 18x10 DD bullets on the back and have lowered the rear with a set of Roush rear springs. Right now I just have 275/45-18 radials on. I was looking at the Nitto 305/45-18 555r's. Will they be too tall for the 05 or should I go with the 305/40-18? The 45's are 28.78" and the 40's are 27.72". Pics on your cars would be helpful if you got them.