OK here goes 20 inch wheel and tire 31 inches tall and 3.42 gears, Ive lost alittle low end horepower. Im running a short glasspack and 2.5 inch daul outback.I have a 50 series flow thats just sittin around and Im thinking this might help my low end with a little more backpressure.I know gears would be the perfect fix..4.11 I just dont have the funds Any opinions or Ideas or better yet where to get gears or a rearend 200.00