Hey guys. Any updates on the the 24" Mufflex. They get any louder after having them on for a while? Heard that happens? I have a CAI, do you think that would cause the exhaust to be a little louder as well? Got a b-day later this month so I'm going to order myself the 18 or 24. Just don't want it to be too loud but I want to hear I have a Hemi.