Quote:
Originally Posted by Radioactive
Have your roads been salted recently? Salt will increase your oxidation.
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As far as I know they only use sand or a deicing chemical in my area. The car has been garaged (insulated and dry garage) when not being driven. One thing I did notice is that after being driven in wet conditions, there would be quite a bit of water under the rear of the vehicle. An amount that I would expect from snow melting that was caught up in the under carriage. Since it was not driven in the snow, I think water can get trapped under the many underbody heat shields, insulated panels, and plastic covers. So when the exhaust cools, instead of remaining dry, this water drips down on the exhaust and the result is accelerated rusting. If the exhaust is truly not protected with corrosion resistant paint or other coating as designed and built, I will end up using a rust converter and high temp coating in these areas. This rust issue is certainly souring our new car experience even if it's nothing to worry about structurally or functionally.