You haven't ridden on a stock KTM seat, have you? A stock KTM seat will make the TW seat feel like a feather bed. Having said that, the TW stock seat does suck.
Of course, I didn't know the stock TW seat sucked until I joined the forum X amount of years ago. That's when I found out the TW seat was supposed to suck and I went out and got Colemen seat pad. I then learned the Colemen (Maddog) seat pad sucked and I now have a Seat Concepts seat. I hope I don't learn the Seat Concepts seat sucks too or it will cost me more money again.