They're not really noisy. But this gives me the sense of the speed.
Thanks for the review! True that the drumz could be much more noisy. I should have called it "Noisy bass loop" :)
It seems that you like video games remix, if you follow me you will see a remix of Mario Bros overworld theme I'll upload soon ;) http://sebastien01.newgrounds.com/follow
I have a ghost castle remix here too if you want : http://www.newgrounds.com/audio/listen/352786
Please contact me if you would like to use this in a project. We can discuss the details.