My K3 is certainly not a racer or even competitive in today's world of super engines and brakes. However, every time I take it out I get stares, thumbs up and people commenting on how cool it is.
I pulled up to one little shop and a guy walked out to look, he said he heard me pull up and without seeing the bike knew what it was. Gotta love those lotus root 4-4 pipes, such a unique sound.