TRIG, your saying the LF speakers can be installed with stage 1, im just trying to find out if this is possible or not. im content with the stage 1 on my 16 RGU... but i would like to add the LF speaks BUT am not going to dump a ton of cash to do it (stage 2 blabla amp bla bla bla) thnx FF. if you have some insight to this please share.
Hey fastfreddy .........while this subject has proven to be confusing, the way I see it the LF speakers can be installed on your
Stage I equipped 2016 FLTRUSE if you also install these additional harnesses:
FLTRUSE and FLHTCUTG models require jumper (Part Number 69200489) and interconnect (Part No. 69200714). And for vehicles with Stage I a
speaker expansion kit is required to enable six or eight speakers (
not sure what this is??).
See the installation instructions:
https://serviceinfo.harley-davidson.com/sip/service/document/60700You CANNOT add the LF speakers on a 16RGU without adding an amp.
Hey Jbbrown73,
I'm thinking these instructions refer to an amplifier installation which I'm thinking only applies if you're adding this kit to a Stage II system 
! As some of the Harley techs are confused about this .......why shouldn't we be confused as well LOL

!
That should work, however I don't think there is a way to do it without doing some "creative" wiring. To my knowledge Harley doesn't have a plug-n-play solution to that end.
That was in response to King Glide's question about somehow wiring the LF speakers into and in lieu of the TourPak speaker connectors. I agree with your "creative wiring" comment

.