I removed my clip, and its louder now in comfort mode, due to me always cruising at 50mph ish. Its ludest around 2200rpm and thats where I sit in comfort.
When its in sport, the rpms are at 3000 and its quieter for some reason.
All in all i like, it lets me know theres some power behind this n55
I wish there was a better way to secure the flap though. I used tie wire, and it works, but its a rig up job. Looks very cheap, like it was done on the side of the road, and I dont like that. Im just anal