got my 2009 up to 127 on a back road outside of Wooster Ohio. Pretty hilly and winding. It had way too much left in the throttle. My bike has the PCIII and slip on exhaust. Going to do the airbox this weekend.:eek5:
I have the slip on exhaust and the power commander III usb but you lost when you started talking about the gutted header cat and what type of modified air box???
I have a Power Commander III USB that allows me to change the richness of the fuel setting in low-mid and high RPM ranges. On the factory settings I have a small miss at low RPM and once the RPMs reach 4000 it really takes off. I have played with the low end RPM settings and found that +2-+3 is...