We installed the Coober exhaust and CPU on my Kove 450 Rally Pro. Took a lot of the deafening residence away from what was a straight exhaust. Most importantly, the ECU made the bike run much smoother. I was excited when I heard that Cooper had worked on this ECU for the Kove. We were not disappointed. We will be recommending the exhaust and ECU combination to our friends and customers. Nice quality, everything was in the package. In our case, however, we were able to use our current pipes and put on just the muffler. So it was really an easy install. We have the higher end titanium exhaust, so it would’ve been going backwards to put stainless steel in place of it. On the standard bike, I would definitely use the Coober system from the engine back.