how hard is it to replace an axle??

can i buy a more durable one that will last longer or should i just go with the oem honda one??

going to be starting to take stuff apart in about a month..going to be doin it at my buddies house hes a honda mechanic and he also is the guy who put on my turbo

heres what im purchasing in the next weeek
aem fuel rail
aem fuel presssure regulator
RC550cc or RC660cc injectors