New Cobra RPT Freewheeler specific Trike mufflers. They do look pretty nice. Prices I have seen look to be around around $550.00 to $589.00 a set.
http://www.cobrausa.com/h_d_baggers/...slip_ons/6300/
Added later Sound clip Cobra RTP mufflers on 2014 Street Glide.
https://youtu.be/a9H2z8a0w08
Ride Safe,
Bill G