The collector is an odd shape and no real way to be able to clamp it on. Here is one of his threads
https://www.ftr1200forums.com/threads/some-ftr-parts-for-ftr-enthusiasts.1666/
I prefer the lloydz garage ecu flash
Thomas kopp makes a weld in replacement for when you chop the cat off.
the deletes from 2019 pipes won’t work.
You will need a tune once you remove the cat
Oddly enough I think it’s more comfortable. I did 400 miles in a day on mine. It’s more narrow in the front and takes weight off your tail bone. I put my stick seat back on for a different road trip to compare. And ended up just selling it.
Sadly the early 2019 ftr was the only one where you could.
But no way without pulling the abs fuse under your battery, or completely removing the system now.
Some have put a wiring harness with a switch in where the fuse goes so they can turn it on and off.