im getting a 7 inch lift for my titan and I want to get some new rims. i want ballistic jester red-stripe. I will be doing mostly highway driving, but going for the badass offroading look. looking at the nitto terra grapplers. i want them to be wide and stick out pas the fenders so what offset should i get? also what size should i get 17 inch, 18 inch or 20 inch?