Quote Originally Posted by David88vert View Post
It is true that at lower rpms there is a larger window that the engine can run at safely, and at higher rpms the power output increases, and the window at which the engine can safely operate is much smaller. I would suggest that you still run some sort of muffler on the street though - without a muffler, it will just sound bad, and most experience riders will chalk you up as a squid.
Look for a used Yoshimura on Ebay, they aren't that much.
Thanks for the responses and advice. Here's my RS-3



I'm getting a PC from a buddy, then I'll just get it tuned for no muffler. Squid or not, lol.