I noticed my Street 750 rides just a little high on RPM's once I level off at a 70 MPH cruising speed. Since this is the typical speed limit on interstate highways around me, I kinda wish it was a little lower in RPM's like it feels around 55-60 MPH. I figured with that 6th gear and all, this would not be an issue, but it is. I have a TBR slip on muffler, love the sound, esp at the 55-60 MPH speed, (deeper throatier) vs. 70. Wondering if any customization can be done to a smaller 6th gear to accommodate a lower RPM cruising speed without losing anything (power, etc). Not sure if anyone knows, Or also feels what I'm talking about.