I've got Brown Bread in my trunk and spare tyre well (see ICE photos linked in my sig) but I've just ordered a gallon of Quietcoat to try some sound deadening under the carpet and to coat the underside of the roof tray - my T1-R causes a hell of a resonance with the roof up which I want to sort out (despite assurances from other T1-R owners that it did not drone I know now that there are no LOUD exhausts which don't have a resonance issue ). Last weekend I tried stuffing a couple of pillows in the spare tyre well areas beside my amp, and also weighting the roof tray, but without success.