Marknett,
Not long at all! We have the AFR+ Gen 4 available for your 2012 Dyna right now.
What exhaust and intake combination do you currently have on your bike?
Some pipe combos do not work well with the AFR+.
Give us a shout at the office!We will be happy to answer any questions you have.
406.388.2377
Thanks for your interest in Dobeck Performance fuel controllers!
Talk to you soon.
--Dobeck Performance Tech Support