There are flasher versions or chip versions. The flasher tune was $50 cheaper last time I had it done but it is permanent unless you have the software. That may be a good thing though. It means you'll never have connection issues with the chip.
1999 3.0L Cougar: 220fwhp and 200tq
2003 VW Passat W8 with 4 Motion AWD
http://www.cardomain.com/ride/300644
PM for intrest in 3L SVT Contours, 3L swaps into your current car, Prepped 3L engines, or anything 3L related.
