Quote:
Originally Posted by GaryL
My 2016 4R has been dropping the heat shields between the body and the exhaust system. Just chinsy aluminum shields that rot where they are screwed into the body. The last one I had to remove that was directly over the muffler because the only way to reattach it is to drop the entire system.
Is it really important that I have this reattached? I highly doubt this would be covered under my extended warranty and I also doubt these parts are even available. Any thoughts?
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They're there for several reasons. Obviously they shield/protect critical components from excessive heat such as manifold and head gaskets. They're also there for scientific purposes dealing with fluid physics and thermodynamics.. the idea is to keep the majority of the heat within the exhaust pipe. This increases exhaust flow which allows your engine to breathe more air and perform better. Also it reduces engine bay temperature therefore reducing IAT(intake air temperature). 👽
