Check for exhaust leaks. If you have not done so already, you need to plug the PAIR valve hose that is located at the 11 o'clock position behind the rightside dog bowl throttle body cover. That hose sucks fresh air that is then injected into the exhaust system to burn any residual fuel, thus the popping out of the muffler. Sounds sort of like a backfire. Blocking the tube will not do any damage to the motor. It may eliminate or at least minimize any decel popping you may be hearing.
As far as the processor I have the EJK and I am very happy with its adjustability and the service I get from Dobeck Performance. I have little popping on decel. I am working with Dobeck on a custom map to eliminate it totally.
2004 Vulcan 1500 Classic "Sasha" (SOLD)
2014 Vulcan Vaquero ABS SE "Candie"
Last edited by hockeynut52; 04-24-2015 at 12:41 PM.