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13 Dyno testing means constantly pulling the valvecovers to change springs or check valve lash, which means oil is always dripping on the headers. DEI makes an excellent high-temperature spray paint that contains silicone. The silicone helps reduce the absorbency of any material it is sprayed on. DEI doesn’t actually recommend it for the Titanium Wrap, only because the super slick material the wrap is woven from can sometimes allow the spray to flake—but it isn’t a performance issue and doesn’t affect either the wrap or the headers. So we figured we’d give it a shot and Bryson laid down a few light coats. The spray actually cures at 400 degrees once the headers are on the engine. Also, if you are wrapping mild-steel headers, use the spray first to seal the headers from moisture before applying the wrap.