This will hugely depend on if your using the stock skid or relocating an aftermarket skid. Fitting an ez-ryde/M-10/Expert-X will add a few hours. Overall they are easy. Couple evenings with a case of beer.
all depends on the tunnel you go with. Some are far easier than others, go with one that all the front location holes are pre drilled (CR) is very fast, not sure who else pre drills the front, possibly timbersled.
