Stock axle comes off easy, take the wheels off, then the hubs, brake caliper, sprocket, axle nut, brake disc, then take a rubber mallet and pound it out from the driver side. This is off of memory if its wrong tell me and i'll actually go look...
The g-force comes with instructions to put it in. But if you need help with it i can help u with that too. The g-force is great you are going to love it