Someone else asked about this a little while back, and the general consensus is... forget about it. Buy an ABS equipped machine if you want ABS, but it's prohibitively expensive to retrofit.
2007 Versys Black, V35 Bags, H&B Bars, Skidmarx Hugger.Fender Ex., Avon Distanzia, Braided Lines, Hella 65W bulbs Arrow Can, DNA Air filter, GIVI tall screen (for winter), PCIII, Baldwin Saddle. **SOLD**
2011 KTM SM-T. Crash bars, E55 Top Box, Fender extender front and rear.