I just got back from Chicago in my new to me nsx, and I have noticed that I can hear wierd sound coming from the engine while foot is on the gas. I have read the trouble shooting and noticed some post about the RM headers making some noise that seems close to what I am going thru. I wondering if anyone could maybe post some pics of what I need to do to make this go away before it drives me crazy. OR if anyone has some tips for me. Here is the link to the page It is all the way on the bottom http://www.nsxprime.com/FAQ/Troubleshooting/noise.htm Thank you very much.... Chris