Just as many owners will say they are happy with it stock. Don't even feel the need for the clutch mod. It's all about expectations. Obviously some are higher than others. I for one had excepted the fact this was not a fire breathing large D/S bike and was okay with it. My original reflash corrected fueling issues and made the bike run smooth. Hiccup and surge free. The second gen reflash made the bike run like I originally would have expected. Great power on tap at all times and actually put a smile on my face pushing it hard. There is no going back now. $500 seems like a modest investment to me to get that kind of performance in return. A good slip on exhaust is almost twice that and won't give anything near the performance bump. 15 minutes on the Touratech site will eat up much more money in needless bolt on farkles that do nothing to really enhance the use of the bike. I'm sorry, but the comment to not go above 5K rpm has me scratching my head. I understand it because pre reflash it really wasn't a game changer. Now it revs so willingly and gives such a reason to play in that zone why would anyone not want to?