So I've owned my car for less than a year and it has about 2500 miles on it. In the forum we've discussed the clutch noise and the dreaded "5K rattle". I've resisted putting the pipe insulation into the intake duct simply because here in AZ it gets ridiculously hot in the summer months. Basically I was concerned about belt temps and longevity but I can't take it anymore. So, here's the question. For those that have blocked the intake behind your head, how much of a noise reduction is it? Have you seen a difference in belt temps (using a gauge)? Have you done any mods to the intake cover to allow air into the clutch case and if so, what did you do to allow the air in without allowing the dust to get in? Looking for options. Not ruling out clutch work if it will get rid of the noise. Any suggestions are appreciated.