Over the last 6 years, I have found the factory rear axle shafts to be surprisingly strong. In fact, I can honestly say that rear axle shaft breaks are actually pretty uncommon. However, because the factory Dana 44 is a semi-float axle, a bent flange is something that is pretty common and when that happens, it is a good idea to replace your shafts. While there is no real need to upgrade to a set of chromoly shafts, I think you find that most are cheaper than getting an OE replacement from your dealership and for no other reason than that, it’s what I would recommend you get. As far as removal and installation goes, there really are few mods that’s easier to do and this write-up will show you just what you need to do.
Jeep JK Wrangler Rear Axle Shaft Removal & Installation Write-Up
just bought my own set of ten factory axle shafts, cant wait to get them in!