That stock dyno curve looks pathetic on the low end. My guess is its running pig rich there and its losing a ton of power. It shouldn't take a dip like that unless the cam has quite a bit of duration. I'd be interested to see the torque curve and overlap it with the horsepower curve and the A?F ratio. It would be interesting. That should be able to be tuned out. Some timing would lean it out as well, but thats treating the symptom instead of the cause. Does everyones low end feel like that stock? It seemed to do much better once the pipe was installed, maybe they tuned it as well.

 

It's been quite awile since I've been stock but the pipe made a HUGE difference on the low end but I lost a little at the top. (Verified by DYNOJET, they used my DS to develop their kit).

 

I'll take it you have the CT pipe. Did they by chance give you a torque curve for your bike? How much hp did you lose on the top end?

 

My low end stock felt fairly close to what the CT dyno shows - looks like a 2-stroke curve!
I don't understand why the CT pipe only comes with 12 disks - I ran 18 disks on my RWR pipe for optimum power at top end, very notciable difference between 18 and 12, more than 18 was no help though - their raptor pipe comes with 18, what gives???

 

<< I'll take it you have the CT pipe. Did they by chance give you a torque curve for your bike? How much hp did you lose on the top end? >>

No curve. If I remember correctly The loss was about 1 horse.