Do i have to regear?

And if i install them?

 

tubbing info

 

Just gears, around $500. Put new bearings & seals, prob. $1000. I just re-did my whole rear & had $500 in it.

 

I'd go with 4:88s. That will fine with the V6, automatic. I think you'd find 5:29s a little too low unless you're planning on going bigger than 35s at some point. I've got 4:56s and 33s and its perfect, so 4:88s and 35's should work well and you'd still be able to get up to speed on the highway.