The Monaro’s and mostly the last CV8Z,s with a HSV & HBD Fitted Webasto Sunroof appear to have an opening which is out side of specifications. This is due to lack of preparation of the kits & not using the correct lockin bar which keeps the opening from spreading while being installed. we can measure the opening and determine the best way to fix this. 1: Fit new oversize glass seal. 2: Replace outter trimring. 3: Reinstall Sunroof. 4:All of the above. Dont put up with the noise call in for a Free quote.