ok so i just bought and 04 jeep grand cherokee 4x4 its really cool and i love the way it rides, how many mpg do u usualy get? and there is a stick to change from 2w to 4w but then there are other option i dont know what they meen. also would it look stupd to get it raised and put bigger tires on it? and also whats the best way to play ur ipod in it like ive herd of fm transmitter and fm modultor is there anyother ways and if not which one is better?