I have a new 06 R/T, with the following after-market additions: MP CAI, Magnaflow full cat-back exhaust, and JET Stage 2 performance chip (soon to be replaced by the tuner). It appears that this vibration is a function of the DMS trying to kick on, or when it is on, and the difference in exhaust pulses from V-8 to 4 cylinder mode. Anyone else notice this? Any ideas on how to fix this? Its not part of the new the exhaust vibrating and contacting anything (taken care of that part already). It's just kind of annoying. Any ideas?

Thanks,

dave