I've been checking out the NWF 231/241 205 doubler, range box thingy. Anyone know of other brands that offer something similar in a DIY kit like NWF does? Anyone on here ran one of these? My buggy consists of LQ9 6.0, th400, 205, d60& 14b with 4:56's, 42" sx2's, 117 wheelbase, 3800lb. I'm geared...