The reducers doesn't come in the mufflers, they come separate and you have to install them.
Are you sure the reducers are in ?
If they are in , when you look in the muffler you should see Silver.
I've taken mine out and reinstalled them with no issues at all.
2015 Road Glide Special,White & Black(blacked out)V&H Power duals,4inch Rinehart's, Super Tuner, RSD Slam AC,CVO fender,CVO bags,RSD Clarity Covers, RSD Black Ops Slam 21/17 Wheels,Stage 3,585 Cams, Jim's V twin Headwork 106HP 118TQ
2018 Road Glide Special, Factory 47 bars, S&S MK45's, Bunch of CVO parts