when we say subframe, we actually mean trunk floor pan where subframe mounts onto. Fine metal fatiguing occurs, often on the left side. You cannot see it unless you cut a hole in your trunk or scrape off tar insulation.
Could also be the flex coupling in the drive shaft or some random bushing.
Rain Sensor Retrofit: Here
Coupe Headline Replacement: Here
Last edited by jaymemaurice; 04-18-2013 at 11:46 PM.