i have a 06 ford with a set of 22s on it an i need sum tires.. it has nitto trail grapplers right now 325/50 is this a good size from what i have read its a 35/13.5? but all i can find is like 3 diferent brands what other size could i use as far as i no stock gears afe cold air bully dog outlook an came with bully dog triple dog power pup when i bought it any help would be great new to this sit tried to look around for info but didnt have any luck

 

Id get rid of the 22s.

 

An go to a 20?