It's not too bad mate. Back ones are really easy, just a few bolts and they pop off. Fronts can be a bit of a pain though. On one side I unbolted the shock from the hub and hit it very hard with a hammer to get it out. That way was a massive ball ache so I just whipped the hub off the other side and took everything off easily that way. It's up to you. What specialist tools does it say you need?