i have a 01 and 33's on it and i want to put different gears in it because it gets a little slugish on hills. its a daily driver and all i use it for is hunting(mud and snow) no rock climbing. so i wanted to keep the stock axles which are a dana 30 up front and a dana 35 in back. the stock gears in it now are 3.55's and i want to put at least 4.10's or 4.56's in it. i went to a local trans shop and they told me i would have to put new carriers on the axles for the gears. the carriers where about $300.00 each, is this true. any suggestions. thanks