All of those are painted or plain steel so not much difference there. I've had a set of the Dynomax, ceramic coated, that I got from Summit about 6 yrs ago. They've held up good and fit great, no dinging or bending to install them.
Can't say much about the rest, haven't used any.
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Hank
70 Chevelle SS396(454), M20, 3.73
My Chevelle
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