CBR600RR

Arata slip on vs Stock. 4 h.p gain up top with a little more in the middle

Same bike measured in time. 9 more h.p in just under 5 sec's

600RR '05 Arata slip on, mapped. (the Cat has been removed for accurate mapping but gave no h.p from removal)

The Arata system makes 12 more h.p at the wheel and starts making power from 7500rpm onwards. 

Below, 600RR with Micron slip on mapped vs Jardine slip on  mapped. The Micron is in Red, the Jardine in blue. 

And then the Micron slip on mapped vs a Yoshi full system mapped. The Yoshi system is in red. While they are 2 different bikes, I haven't seen a stock 600RR yet with less than 98h.p so either way, if you MUST have Yosh, I'd be getting the slip on and using the extra, otherwise wasted money on a PC and mapping, but that's me.