None what so ever - they looked great, sounded awesome and were loud - loved them
These were purchased second-hand off eBay at a really, really good price so I wanted to give them ago and make sure I liked them.
The brand new set of the PCX versions, I had purchased and imported from the USA (at a great price sometime ago), that were boxed up in the garage.
(Read - easier to sell a brand new, unused exhaust system than a second-hand one).

 

Heat shields installed

Next job is figuring out and installing the Air Ride suspension
I've already fabricated a metal box to install the compressor and solenoid unit in.

With venting/drainage at the bottom

Looking to mount the charcoal cannister on the back plate

 

Run into some mounting and spacing issues so looking to do a Charcoal Cannister Removal 2018+ - Harley Davidson Forums