Cheap headers question

Never ran headers before in my life. Put a pair of $100 ebay shorty headers on the 360 that I pieced together in the Shelby Dakota. They have a chrome-ish finish. Fully expect them to turn blue-ish after a few heat cycles, and they are. My question is this - Should they get a slightly red tint to them when the engine is at operationg temp? Like at the outside bends and near the collector? Is that normal for the cheap ones?
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