Yeah a Catch can is easy,I got one.I had it in for a year,took it out cause I thought it was hardly catching anything but a couple of months later I put it in again cause it definately catches some oil.I plan on tracking my car soon so I know it will definately be catching oil on the track.Not a necessity but I would rather the blow back oil go into the catchcan than the Intake Manifold.
To hook it up,you use what the PCV hose is connected to at both ends.So one hose runs from the PCV end to the catchcan and the other hose from the Intake Manifold to the catch can.