Ok guys here's a stupid question but I'm going to ask it anyway. What is decel popping? Is this something that is obviously noticeable/heard. Like WOW! what was that, or is it subtle that only a trained ear would hear. I was reading a thread where a guy put new slip on's and now he has decel popping. The recommendations were to ensure that he put the muffler way up on the head pipe. The reason I am asking is that I put Monster Ovals on my Ultra, and I occasionlly hear a slight pop when I roll of the throttle, but here's the thing I also heard this slight pop when the bike was 100% stock. So do you know you have Decel Pop when you hear it? Or am I just reading into things? Thanks.