The approximate release date of the three link will be somwhere in the next two months...Most likely the early march timeframe.
As for your exhaust, all exhaust systems will need the same type of modification over the axle. If your tailpipes are larger than stock and your car is lowered you may need a little more modification, but youcan still retain the rear exit nature of the exhaust.
There was a thread on corner carvers that showed some pretty nice pics of the exhaust mods, but the pictures are gone. For reference here is the thread: