[NOTSURE]

Originally Posted by SIX-PAK

There would be if contact patch on the ground was increased , but the stock 20's are not very wide(r) . you get increased rolling mass weight which takes longer for stopping distances with bigger wheels - thus requiring better performance brake systems . I agree the 20's look waaay better than the 18's - they fill up the wheel well more (perhaps the SRT has a lower susp. too than the R/T)

perhaps the SRT has a lower susp. too than the R/T

I read somewhere the srt is about 1 inch lower than a rt (stock) this would definately be cause to lower the rt if going with 18" or 20"s