I pissed mine off from the EA, didnt make any difference as it was as noisey as anyway, the biggest difference was when driving in the rain and stopping at the lights, the steam on a cold day was strange.
After the one on my NB failed a second time with the engine side black cloth sagging, rather than buy yet another new one I removed all the black cloth layer lightly sprayed the yellow insulating material with black underbody sound deadener. It's a bit black and tar-like so I placed carefully cut squares of aluminium foil on those parts that made contact with engine components (eg the coolant recovery tank). I figure this will also help reflect heat from these points. Anyway its lasted a couple of years and dried into a fury matt black coating that is, without a hard look, almost indistinguishable from the original black cloth. See attached; not the best pics but underhood insulation was not what I was meaning to photograph.
my old eb is white....same prob sound mat starter to go ratty so i took it off.....low and behold no color , white edges and matt black under the mat...it turns out that a new bonnet was purpchased along the way and the white was only painted about an 1'' inside the edge
cut a long post short ,,,i had to get a new one or paint it white anyways,,went and got the rest of the bonnet painted.
just worth checking if your not the original owner...
holden do a universal mat that is big enough for a wb statesman. it has an adhesive back to stick to the bonnet and you cut it shape. the part number escapes me at the moment but any local holden dealer should be able to help you. if no luck let me know and i`ll get the number.
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