If you are somewhere you can get away with it, a very cost effective way to go is remove the catalytic converter from the head pipe and just run the stock HD mufflers. It will sound very nice, but not too loud and it will also still have the full baffles for any police officers that would like to stick something in your mufflers to check them for a baffle... There is one local that does it. If you are somewhere they do emissions testing then removing the cats is out of the question. I ran my 2012 trike with the stock mufflers and cat removed and it sounds great. If you do a stage 1 with a free flow air cleaner, you will need to add some extra fuel through a fuel tuner of some type. I also have a new 14 Limited now and am running my old Vance and Hines Propipe on it that I had on my 2010 limited. I put the screamin eagle air cleaner on it with a Fuel Moto Micro tuner and it runs really, really nice. The 2 into 1 is probably too loud for what you want though. Good luck with whatever you decide to do.