i'm owner of 3G not a second generation, but as far as i know there is no bolt on kit, but easy convertable.As i said as far as i know, i might be wrong, to bad our forum on russian only coz i saw few topics about "how to convert FWD to AWD" with list of parts and step by step manual with photo. I'm sure i can find same thing on
http://www.club3g.com/