Thank you for kind words! My knowledge is quite average and what I know, I know from members here...
I had the SL 113 Group solution, years ago received in Essen form helpful hands. It then got accidentally destroyed, I bought another, good one on ebay form one of the usual vendors (do not remember who now).
I think the other solution widely used on the forum is great. There are other great solutions around from the ebay vendors. You can add layers/modify what is underneath for better sound or heat protection, but the key is the diamond pattern.
I have not seen nor touched the new one - difficult to say, but - is it black? Does not look so on the picture.
It is a highly visible part. It is this one and the valve cover tat you see first when you look at the engine bay. You will remember every dollar you saved if you compromise the look of this element. And then we will see a post from you "How difficult it is to replace the pad without dismantling everything in the engine bay?".