« Reply #1 on: November 29, 2013, 03:47:19 PM »
I have a stock muffler on mine and he has a VH slip on with a Guhl ECU flash and he walked away from me on a 4th gear roll on and he is a little heavier than me so we will try it again when I install my Two Brothers slip on and see if it is the pipe or the flash.
It's the Ghul flash. Replacing the muffler [alone] will have no noticeable effect on power.
Thanks for sharing your story and info. I am a bit jealous of the Horizons.
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Shoodaben (was Guhl) Mountain Runner ECU flash, Canyon Cages front/rear, Helibars risers, Phil's wedges, Grip Puppies, Sargent World seat-low & heated & pod, Muzzy lowering links, Soupy's stand, Nautilus air horn, Admore lightbar, Ronnie's highway pegs, front running lights, all LED, helmet locks, RAM Xgrip, Sena SMH10, Throttle Tamer, MRA X-Creen, BearingUp Shifter, PR4-GT, Scorpion EXO-T1200,etc