Took the fattys off the new bike that I got last week(blue one in my sig) and put on my PT mids , What a difference!!! The fattys seemed to have a very narrow powerband but did pull good when on the pipe. The PT's pull better everywhere, lots more low end, kick ass midrange, and pull a little better up top not to mention they sound 1000x better. I would even say they are better than my PC's.