am talking with jarrad now about it. heres his response

Running both allows you to run multiple maps, have launch control and
flat footed shifting, and raise the rev limit, control AVCS, and turn
off CELs. The only disadvantage is that you have to pay more money. We
run both on all our cars

Jarrad


im waiting to hear back on my special pricing with map selector switch. i would have them preflash it before they send it to me if possible