Yosh exhaust,PCII still stumbles @ 2500 too 3000 rpms?

[jwcfbd]

May I also please take a look at you maps I have a Yoshimura R-22 full system and K&N airfilter with small airbox and PAIR mod. I had it dyno tuned but there is power surges in 3-4k ranges seems running rich.

I don't think you're going to get a response from him. The last time he logged in was 2000.