I gotta disagree with it not being worth it. But that's just my opinion. Like Dion said, I swapped an AX-15 from a 98 Dakota into my Duster. Currently with 3.23 gears and a 275/35/17 rear tire first gear is pretty well useless if you're taking off on a flat surface but this winter I'll be swapping in 2.76s and it'll be a much better setup. Here's a picture of the comparison of an ax-15 with 2.76s and a low first gear 904 and 4.10s. Notice how 1st-3rd are nearly identical plus you get 2 more gears and OD