Under hood insulation question

Mal CSL 3.0

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Have reviewed other posts but couldn't find answer:

Hi,

Wondering if the grey/black foam type insulation is really necessary? Mine does not have any insulation (my hood is aluminium). So should I be worried that my hood will be heat compromised without insulation? / Will the hood paint become too hot and deteriorate?

I would prefer not to put under hood insulation on as it looks much neater and cleaner without it. But what is the consensus on it's functionality benefit?

(PS Actually I notice my engine never gets really hot anyway)

Many thanks
 
ITS REALLY FOR LOOKS AND FINISH
IM SURE IT MELLOWS THE SOUND OF THE ENGINE AS IT WOULD BE LIKE A DRUM WITHOUT IT,
 
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