We put D44 axles from a 2011 JK Rubicon into my 2012 JK Sahara. Complete swap in 15 minutes. Find items we use for this build HERE: www.amazon.com/shop/cvsahara
@ramonherver I used the jscan app on my phone with a Bluetooth OBD scan dongle. It was really easy. It let's you adjust the ratios and tire size in the ECM